Dust grade
(1) silica dust (inorganic dust with free silica content exceeding 10%)
1. Possible occupational disease: silicosis.
2, industry examples:
(1) Coal mining and dressing industry: rock roadway drilling, rock roadway blasting, rock roadway loading, gangue cart, shotcrete, rock roadway excavation, coal roadway drilling, coal roadway blasting, coal roadway reinforcement, coal mining transportation and underground ventilation.
(2) Oil and gas exploitation, dressing and metallurgy: slurry preparation and geological grinding.
(3) Mining and dressing of ferrous metal ore: black ore perforation, blasting, mechanical mining, loading, transportation, backfilling, support, mining aid, crushing, screening, grinding, flotation, gravity separation, magnetic separation and mineral dressing assistance.
(4) Mining and dressing of non-ferrous minerals: drilling, blasting, mechanical mining, loading, transportation, backfilling, supporting, mining-assisted crushing, screening, grinding, flotation, gravity separation, magnetic separation, electrostatic separation and mineral processing; (5) Mining and dressing of building materials and other non-metallic minerals: drilling, blasting, mechanical mining, loading, transportation and crushing of soil and gravel. River sand suction mining, river sand manual mining, river sand screening, river sand transport, river sand mining assistance, chemical mine drilling, blasting mining, mechanical mining, loading, transportation, backfilling, support, mining assistance, crushing, screening, grinding, flotation, gravity separation, mineral processing assistance, nonmetal mine drilling, blasting mining, mechanical mining, loading, transportation, and so on.
(6) Arts and crafts manufacturing: stone carving crafts
(7) Electricity, steam and hot water production and supply industry: hydropower construction.
(8) Manufacture of alkali products: preparation of foamed alkali.
(9) Inorganic salt manufacturing: potassium silicate and sodium fluoride.
(10) Chemical fertilizer manufacturing: phosphorus production by electric furnace.
(1 1) paint and pigment manufacturing: enamel pigment preparation, glass pigment dissolution and glass pigment finished product.
(12) Manufacture of catalyst and various chemical additives: two-step glue.
(13) rubber products industry: cots core treatment.
(14) Brick and tile, lime and light building materials manufacturing industry: sand and gravel loading and unloading, screening, transshipment, stacking, transportation, assistance, loading and unloading, screening, transshipment, feeding, mixing, pouring, assistance, stone cutting, carving, polishing, renovation, assistance, sawing waste, grinding and cutting.
(15) Glass and glass products industry: glass preparation, optical glass batching, glass sandblasting, glass shell preparation (lamps, screens), glass fiber batching.
(16) Ceramic products industry: glaze selection, crushing, ceramic drying and screening, and sand filling.
(17) Refractory products industry: refractory crushing, screening, batching, mixing, molding, refractory baking, refractory firing, material conveying and refractory grinding.
(18) Mineral fiber and its products industry: glass fiber preparation.
(19) abrasive manufacturing: abrasive preparation
(20) Ironmaking industry: ore loading and unloading, transshipment, storage yard, particle sorting and clay gun production.
(2 1) steelmaking industry: steelmaking molds and furnaces.
(22) Ferroalloy smelting industry: ferrosilicon smelting, ferrochrome smelting and ferrotitanium smelting.
(23) Heavy nonferrous metal smelting: lead and zinc distribution, lead electrolyte preparation and ore crushing.
(24) Metal products industry: metal sandblasting, mold sandblasting, enamel spraying, flux preparation and covered electrode powder mixing.
(25) Metal surface treatment and heat treatment industry: sandblasting of plated parts, sandblasting of workpieces, degreasing and derusting, and rough sandblasting.
(26) Machinery industry: casting molding sand, casting molding, casting sand dropping, casting sand cleaning, investment casting, quartz sand grinding and polishing.
(27) Electronic and communication equipment manufacturing: coating sand blasting, glass powder preparation, and electronic glass batching.
(28) Transportation and water conservancy infrastructure: tunneling, drilling, blasting, sand and gravel loading, shotcreting and self-closing, auxiliary, subgrade self-closing, pavement pouring, pavement paving and auxiliary, dam foundation self-closing and dam foundation pouring.
(2) Coal dust (coal silica dust)
1. Possible occupational diseases: coal workers' pneumoconiosis.
2, industry examples:
(1) Coal mining and dressing industry: coal roadway drilling, coal roadway blasting, coal roadway reinforcement, coal mining drilling, blasting coal mining, hydraulic coal mining, mechanical coal mining, coal mining loading, coal mining transportation, coal mining support, underground ventilation, coal mining assistance, coal preparation transportation, coal screening and coal block crushing.
(2) Electricity, steam and hot water production and supply industries: coal supply, coal grinding, stoker, boiler ash discharge and boiler maintenance.
(3) Coking, gas and coal products industry: raw coal transportation, coking coal preparation, coking coal washing, coking coal preparation, coking coal blending, coking dry distillation, coke quenching, coke transportation, coking assistance, coal lump crushing and coal product preparation.
(4) Alkali product manufacturing: lime calcination and potassium carbonate calcination carbonization.
(5) Inorganic salt manufacturing: sodium sulfide and barium carbonate.
(6) Cement manufacturing: cement feeding, homogenization, coal powder preparation and transportation.
(7) Graphite and carbon products industry: carbon crushing, calcination, screening, batching and synthesis.
(8) Ironmaking industry: pulverized coal operation.
(9) Heavy nonferrous metal smelting: zinc ore roasting.
(10) Electrical machinery and equipment manufacturing: battery sealing
(3) Graphite dust
1. Possible occupational diseases: graphite pneumoconiosis.
2, industry examples:
(1) Mining and dressing of building materials and other nonmetallic minerals: drilling, blasting, mechanical mining, loading, transportation, backfilling, supporting, mining aid, crushing, screening, grinding, gravity separation and mineral processing assistance of graphite minerals.
(2) Manufacture of catalyst and various chemical additives: catalyst drying.
(3) Refractory products industry: refractory crushing, screening, batching, mixing, molding, sintering, grinding, material conveying and refractory brick drying.
(4) Graphite and carbon products industry: carbon products cleaning, metal powder mixing, graphite processing and graphite products manufacturing.
(5) steel rolling processing industry: tube blank perforation
(6) Ferroalloy smelting industry: ferromanganese ingots and other ferroalloy ingots.
(7) Non-ferrous metal calendering processing industry: non-ferrous metal extrusion and perforation.
(8) Metal products industry: preparation of welding powder.
(9) machinery industry: powder metallurgy pressing
(10) electrical machinery and equipment manufacturing: zinc-manganese battery preparation, battery core preparation and carbon rod mixing.
(1 1) Electronic and communication equipment manufacturing: bracket assembly, internal graphite coating, external graphite spraying, and tungsten-molybdenum wire drawing.
(4) carbon black dust
1. Possible occupational disease: carbon black pneumoconiosis.
2, industry examples:
(1) Paper and paper products industry: coating preparation and color paste preparation.
(2) Manufacturing of cultural, educational and sporting goods: preparation of ribbon materials.
(3) Other basic chemical raw material manufacturing: preparation and granulation of carbon black.
(4) Manufacture of daily chemical products: match pulping.
(5) Rubber products industry: rubber batching and mixing.
(6) Refractory products industry: batching and molding of refractory materials.
(7) Graphite and carbon products industry: carbon crushing, batching, calcination, screening, molding, cooling, sorting and packaging.
(8) Rare metal smelting industry: preparation of tungsten carbide, preparation of compound tungsten carbide and preparation of niobium.
(9) Electrical machinery and equipment manufacturing: zinc-manganese battery preparation, battery core preparation, carbon rod powder mixing, cable and wire extrusion.
(5) Asbestos dust
1. Possible occupational disease: asbestos lung.
2, industry examples:
(1) Non-ferrous mineral mining and dressing industry: non-ferrous mineral drilling, blasting, mechanical mining, loading, transportation, backfilling, support, mining aid, crushing, screening, grinding, gravity separation, magnetic separation, electrostatic separation and mineral processing assistance.
(2) Mining and mineral processing of building materials and other non-metallic minerals: Non-metallic minerals are drilled, blasted, mechanically mined, loaded, transported, backfilled, supported, auxiliary mined, crushed, screened, ground, gravity separated and assisted in mineral processing.
(3) Wood processing industry: decorative board ingredients
(4) Production and supply of electricity, steam and hot water: power plant insulation and boiler maintenance.
(5) Coating and pigment manufacturing: preparation of titanium dioxide, preparation of titanium dioxide and synthesis of organic pigments.
(6) Monomer (polymerization) manufacturing of synthetic fiber: dealcoholization and polymerization of polyester.
(7) Cement products industry and asbestos cement products industry: asbestos batching and pulping balance.
(8) Manufacturing of brick, lime and light building materials: mixing waterproof materials.
(9) Asbestos products industry: asbestos carding, sewing, weaving, wet spinning, processing, mixing, pressing, grinding, automobile brake pad manufacturing, railway vehicle brake parts manufacturing, electrical insulation product manufacturing and disassembly.
(10) Ironmaking industry: hot blast stove operation
(1 1) Rare metal smelting industry: preparation of composite tungsten carbide.
(12) Transportation equipment manufacturing industry: ship mason.
(6) talcum powder
1. Possible occupational disease: talc pneumoconiosis.
2. Industry examples
(1) Mining and dressing of building materials and other non-metallic minerals: drilling, blasting, mechanical mining, loading, transportation, backfilling, supporting, mining aid, crushing, screening, grinding, gravity separation, mineral processing assistance and talcum powder processing.
(2) Leather, fur and its products industry: cutting and stretching materials.
(3) Paper and paper products industry: feed and pulping.
(4) Petroleum processing industry: oxidized asphalt
(5) Manufacture of other organic chemical products: rubber calendering and neoprene preparation.
(6) Manufacture of daily chemical products: milling, cookie pressing and powder filling.
(7) Pharmaceutical industry: powder mixing, tabletting, tablet coating and pill making.
(8) Rubber products industry: rubber batching, mixing, vulcanization, calendering, slicing, tube making, molding, cutting, molding, packaging and manufacturing of medical latex products.
(9) Manufacturing of brick, lime and light building materials: mixing, packaging and felting waterproof materials.
(10) Ceramic manufacturing: ceramic molding.
(1 1) Metal products industry: covered electrode coated medicine.
(12) electrical machinery and equipment manufacturing: cable and wire extrusion.
(7) Cement dust
1. Possible occupational disease: cement pneumoconiosis.
2, industry examples:
(1) Coal mining and dressing industry: self-closing shotcrete and coal roadway reinforcement.
(2) Mining and dressing of ferrous metal ore: ferrous metal ore support.
(3) Non-ferrous metal mining and dressing industry: non-ferrous metal support.
(4) Mining and selection of building materials and other nonmetallic minerals: chemical mineral supports and nonmetallic mineral supports.
(5) Electricity, steam and hot water production and supply industry: hydropower construction.
(6) Cement manufacturing: raw material calcination, clinker cooling, clinker grinding, cement packaging, cement homogenization, cement pulverized coal preparation and cement transportation.
(7) Cement products and asbestos cement products industry: weighing ingredients, mixing and stirring, compacting and molding, and pulping ingredients.
(8) Transportation equipment manufacturing industry: ship masons
(9) Construction industry: cement transportation, feeding, mixing and pouring.
(8) mica dust
1. Possible occupational disease: mica pneumoconiosis.
2, industry examples:
(1) Mining and dressing of building materials and other non-metallic minerals: drilling, blasting, mechanical mining, loading, transportation, backfilling, supporting, mining aid, crushing, screening, grinding, gravity separation and mineral processing assistance of mica minerals.
(2) mica products industry: mica milling, calcination, pulping, glue mixing, sizing, mixing, molding and finished mica insulation products.
(3) Electronic and communication equipment manufacturing: preparation of mica capacitors.
(9) Ceramic dust
1. Possible occupational disease: Potter's pneumoconiosis.
2, industry examples:
(1) Mining and mineral processing of building materials and other nonmetallic minerals: drilling, blasting, mechanical mining, loading, transportation, mining assistance, clay crushing, grinding, screening, packaging and transportation.
(2) Ceramic products industry: ceramic crushing, screening, batching, stirring, slurry dehydration, slurry refining, molding, drying, glazing, firing, kiln loading and finished product packaging.
(3) Abrasive manufacturing: abrasive composition
(4) Electrical machinery and equipment manufacturing: battery sealing, cable and wire extrusion.
(10) aluminum dust (aluminum, aluminum alloy, alumina dust)
1. Possible occupational disease: aluminum pneumoconiosis.
2, industry examples:
(1) Non-ferrous metal ore mining and dressing industry: aluminum ore drilling, blasting, mechanical mining, loading, transportation, backfilling, support, mining assistance, crushing, screening, grinding, gravity separation, magnetic separation, electrostatic separation and mineral processing assistance.
(2) Light nonferrous metal smelting industry: alumina sintering, roasting, refining, aluminum ingot casting, aluminum electrolysis, aluminum alloy casting and aluminum alloy oxidation.
(3) Manufacturing of explosives and initiating explosive devices: black aluminum explosives and incendiary bombs.
(4) Abrasive manufacturing: abrasive preparation, refining, crushing, fine screening, packaging and emery cloth planting.
(5) Ferroalloy smelting industry: ferrotitanium smelting.
(6) Metal products industry: flux preparation and covered electrode powder batching.
(7) machinery industry: powder metallurgy pressing
(1 1) welding dust
1. Possible occupational disease: welder's pneumoconiosis.
2, industry examples:
(1) Sporting goods manufacturing: copper tube punching
(2) Machinery industry: manual arc welding, gas shielded welding, argon arc welding, carbon arc gouging and gas welding.
(3) Transportation equipment manufacturing industry: locomotive parts assembly, platform assembly, ship pipeline installation, ship electrical installation and ship anchor chain.
(4) Processing, brake beam processing, automobile assembly and motorcycle assembly
(12) foundry dust
1. Possible occupational diseases: foundry workers' pneumoconiosis.
2, industry examples:
Machinery industry: casting sand, model, melting, modeling, casting, sand dropping, casting cleaning, die casting, investment casting, aluminum alloy and copper casting, etc.
(XIII) Other dusts
Possible occupational diseases: other pneumoconiosis
Radioactive material
1. Possible occupational diseases:
Acute radiation sickness caused by (1) external irradiation
(2) subacute radiation sickness caused by external irradiation
(3) Chronic radiation sickness caused by external irradiation
(4) Radiation sickness caused by internal irradiation
(5) Radiation dermatosis
(6) Radiation cataract
(7) Radiation tumor
(8) Radioactive bone injury
(9) Radiation thyroid diseases
(10) Radiation gonadal diseases
(1 1) radiation combined injury
(12) Other radiation injuries that can be diagnosed according to the General Principles for the Diagnosis of Radioactive Diseases.
2, industry examples:
(1) Oil and gas exploitation: drilling and logging.
(2) Mining and dressing of nonferrous metals: drilling, blasting, mechanical mining, loading, transportation, backfilling, supporting, mining assistance, crushing, screening, grinding, gravity separation, magnetic separation, electrostatic separation and mineral processing assistance of nonferrous metals.
(3) papermaking and paper products industry; Base paper coating
(4) Manufacture of inorganic acid: synthesis of tungstic acid.
(5) Organic chemical raw material manufacturing: phthalic anhydride oxidation.
(6) Synthetic rubber manufacturing: styrene-butadiene rubber polymerization, nitrile-butadiene rubber polymerization, cis-butadiene rubber polymerization, ethylene-propylene rubber polymerization and ethylene-propylene rubber recycling.
(7) Synthetic fiber monomer (polymerization) manufacturing industry: p-xylene oxidation, DMT esterification, PTA oxidation, PTA refining and polyester polymerization.
(8) Daily-use chemical products manufacturing industry: photosensitive material inspection and film base preparation.
(9) Pharmaceutical industry: production of radioactive drugs.
(10) Chemical fiber industry: polyamide polycondensation
(1 1) Plastic products industry: plastic film thickness measurement.
(12) steel rolling processing industry: steel pipe inspection
(13) Rare metal smelting industry: rare earth acid dissolution, rare earth extraction, rare earth precipitation, tantalum-niobium ore decomposition, tantalum oxide (niobium) preparation, yttrium oxide preparation and tantalum carbide preparation.
(14) metalwork industry: inspection of metal components.
(15) machinery industry: mechanical equipment flaw detection, medical instrument debugging and X-ray device production.
(16) Transportation equipment manufacturing industry: ship electrical installation, ship instrument assembly, nuclear reactor installation, and radioactive material transportation.
(17) electronic and communication equipment manufacturing: high-voltage aging, TV debugging.
(18) Manufacture of instruments and other measuring instruments: assembly of radioactive sources.
(19) nuclear fuel industry: uranium mining, uranium processing, uranium enrichment, uranium conversion, nuclear reactor installation, nuclear reactor operation and post-treatment of irradiated fuel.
(20) radiographic inspection industry: radiographic inspection, gamma-ray inspection, X-ray imaging inspection, radiographic inspection, neutron photography and accelerator inspection.
(2 1) radiation processing industry: υ radiation processing, electron beam radiation processing, radiation sterilization, radiation food preservation, radiation curing of coatings, radiation crosslinking and radiation polymerization.
(22) Radiation application industry: production and distribution of fluorescent coatings and radioisotopes, production and use of instruments containing sealed radioactive sources, and operation of accelerators.
(23) Applications of unsealed radioactive sources: radioisotope laboratories, gas lampshades and isotope tracing.
(24) Radiology: X-ray fluoroscopy, X-ray photography, application of emission computed tomography, nuclear medicine, diagnostic application of radiopharmaceuticals, brachytherapy, long-distance radiotherapy, radiopharmaceuticals, interventional therapy and interstitial therapy.
(25) Radiation agriculture: breeding and pest control.
(26) National defense industry: nuclear weapon production and nuclear power plant of naval vessels.
(27) Storage and disposal of radioactive waste: waste repository and disposal site.
Chemical substance
(1) lead and its compounds (lead dust, lead smoke and lead compounds, excluding tetraethyl lead)
1. Possible occupational diseases: poisoning by lead and its compounds.
2, industry examples:
lead dust
(1) Food manufacturing: ingredients for re-eggs.
(2) Printing industry: movable type typesetting
(3) Cultural, educational and sporting goods manufacturing: musical instruments contain lead.
(4) Arts and crafts manufacturing: preparation, screening, granulation, fireworks assembly and gold and silver inspection of medicinal materials.
(5) preparation of inorganic salt: preparation of lead salt.
(6) Paint and pigment manufacturing: paint batching, resin preparation, lead chrome yellow finished product, lead chrome green preparation, enamel pigment preparation, enamel pigment calcination, glass pigment melting and glass pigment finished product.
(7) Chemical reagent manufacturing: inorganic reagent purification.
(8) Manufacture of catalysts and various chemical additives: synthesis of heat stabilizers.
(9) Manufacture of explosives and initiating devices: Prepare lead-containing warheads.
(10) Rubber products industry: lead-clad vulcanization.
(1 1) glass and glass manufacturing: glass preparation.
(12) graphite and carbon products industry: metal powder preparation and metal powder mixing.
(13) Heavy nonferrous metal smelting industry: lead-zinc distribution, lead-zinc sintering, lead-zinc smelting, lead bath condensation, siphon discharge, zinc fume transportation, lead cooling separation, lead-zinc slagging, zinc casting, thermal insulation layering, crude lead casting plate, lead reduction, lead dust recovery, zinc drying, zinc coking, zinc distillation, zinc rectification and copper smelting.
(14) Transportation equipment manufacturing: ship rust removal
(15) Electrical machinery and equipment manufacturing: lead powder and lead paste.
(16) manufacturing of electronic and communication equipment: paste mixing of ceramic capacitors and lead spraying on the end faces of capacitors.
Lead smoke
(1) printing industry: movable type casting, letterpress forming, lead plate making.
(2) Cultural, educational and sporting goods manufacturing: musical instruments contain lead.
(3) Inorganic salt manufacturing: chloride production and lead salt production.
(4) Coating and pigment manufacturing: lead chrome yellow compounding, lead chrome green preparation, porcelain pigment calcination and porcelain pigment melting.
(5) manufacture of catalyst and various chemical additives: synthesis of heat stabilizer.
(6) Explosive and initiating explosive device manufacturing industry: preparation of micro-smoke powder, preparation of lead-containing warhead and detonator breakdown test.
(7) Rubber products industry: lead-clad vulcanization.
(8) Glass and glass products industry: glass melting.
(9) Ceramic products industry: ceramic tin plating.
(10) Graphite and carbon products industry: preparation of metal powder.
(1 1) Heavy nonferrous metal smelting industry: lead-zinc sintering, lead-zinc smelting, lead bath condensation, lead siphon, zinc fume conveying, lead-zinc cooling separation, lead-zinc slagging, zinc casting, thermal insulation layering, crude lead casting plate, lead reduction, lead electrolysis, copper removal from crude lead, lead dust recovery, zinc distillation, zinc rectification, etc.
(12) Rare metal smelting industry: selenium roasting, selenium oxidation, desulfurization roasting, reduction smelting, oxidation refining and indium preparation.
(13) Non-ferrous metal rolling processing industry: non-ferrous metal smelting and casting.
(14) metal surface treatment and heat treatment industry: lead bath.
(15) machinery industry: metal powder smelting.
(16) transportation equipment manufacturing: carbon plating for ships, instrument assembly for ships, and lead plating for automobile parts.
(17) electrical machinery and equipment manufacturing: lead-antimony smelting, lead-antimony ingot casting, grid making, shot blasting, electrode plate welding, battery welding, zinc-manganese battery assembly, tin plating of wires and cables, lead pressing of cables and wires, and lead filling of lamp holders.
(18) electronic and communication equipment manufacturing: circuit substrate sintering, ceramic capacitor manufacturing, mica capacitor manufacturing, lead spraying on the end face of capacitor, tin plating of components, wave soldering of components, and manual welding of components.
(19) Shipbreaking industry: welding and cutting
Lead compound
(1) Textile industry: waterproof finishing
(2) Manufacture of organic chemical raw materials: synthesis of aliphatic amines, organic acids and other organic raw materials.
(3) dye manufacturing: synthesizing basic dyes
(4) Chemical reagent manufacturing: inorganic reagent preparation and inorganic reagent synthesis.
(5) manufacture of catalyst and various chemical additives: synthesis of heat stabilizer.
(6) Plastic products industry: plastic preparation, plastic screening and grinding, and plastic kneading.
(7) Glass and glass products industry: optical glass ingredients.
(8) Ceramic products industry: ceramic models
(2) Mercury and its compounds (mercury, mercuric chloride, mercury compounds)
1. Possible occupational diseases: poisoning by mercury and its compounds.
2, industry examples:
Mercury
(1) Oil and gas exploitation: mercury injection test
(2) Non-ferrous metal mining and dressing industry: non-ferrous metal ore drilling, blasting, mechanical mining, loading, transportation, backfilling, supporting, mining assistance, crushing, screening, grinding, gravity separation, magnetic separation, electrostatic separation and mineral processing assistance.
(3) Manufacture of alkali products: electrolysis and demercuration of brine mercury.
(4) paint and pigment manufacturing: paint ingredients
(5) dye manufacture: synthesis of anthraquinone intermediates.
(6) Pharmaceutical industry: preparation of mercury preparations.
(7) Medical device manufacturing: thermometer manufacturing, sphygmomanometer manufacturing and repair.
(8) Manufacturing of aerospace equipment: manufacturing of ejector tubes.
(9) Heavy nonferrous metal smelting industry: zinc ore roasting, zinc ore drying, zinc cadmium smelting, mercury smelting, mercury washing, mercury electrolysis, mercury distillation, mercury chloride synthesis and titanium amalgam smelting.
(10) Rare metal smelting industry: selenium purification and desulfurization roasting.
(1 1) Transportation equipment manufacturing: ship derusting.
(12) electrical machinery and equipment manufacturing: mercury filling and mercury rectification of lamps.
(13) medical and health industry: filling teeth
mercury bichloride
(1) Plastic manufacturing: vinyl chloride synthesis.
(2) Heavy nonferrous metal smelting industry: synthesis of mercury chloride and preparation of mercury catalyst.
(3) Manufacture of electrical machinery and equipment: preparation of zinc-manganese battery liquid and battery core.
Mercury compound
(1) Manufacturing of organic chemical raw materials: acetylene hydration and synthesis of other organic raw materials.
(2) Pharmaceutical industry: reducing and eliminating synthetic drugs.
(3) Manganese and its compounds (manganese smoke, manganese dust and manganese compounds)
1. Possible occupational diseases: manganese and its compounds poisoning.
2, industry examples:
Manganese smoke
(1) production of inorganic salt: preparation of potassium permanganate.
(2) Paint and pigment manufacturing: hot refining of cooked oil.
(3) Manufacture of daily chemical products: match pulping.
(4) Steelmaking: refining outside the furnace and casting molten steel.
(5) Ferroalloy smelting industry: ferromanganese sintering and ferromanganese blast furnace smelting.
(6) Metal products industry: covered electrode baking.
(7) Transportation equipment manufacturing industry: platform assembly, ship pipeline installation, ship electrical installation and ship anchor chain processing.
(8) Electrical machinery and equipment manufacturing: zinc-manganese battery preparation, battery core preparation and zinc-manganese battery assembly.
Manganese dust
(1) Mining and dressing of ferrous metal ore: black ore perforation, blasting, mechanical mining, loading, transportation, backfilling, support, mining assistance, crushing, screening, grinding, flotation, gravity separation, magnetic separation and mineral processing assistance.
(2) inorganic salt manufacture: preparation of potassium permanganate.
(3) Manufacture of daily chemical products: match pulping.
(4) Glass and glass products industry: glass preparation.
(5) Ceramic products industry: glaze selection and broken glaze.
(6) Steelmaking: refining outside the furnace and casting molten steel.
(7) Ferroalloy smelting industry: manganese ore screening, manganese sulfate preparation, manganese electrolysis, ferromanganese sintering, ferromanganese blast furnace weighing, ferromanganese blast furnace smelting and ferromanganese blast furnace ash cleaning.
(8) Metal products industry: flux preparation and covered electrode powder batching.
(9) Machinery industry: manual arc welding, gas shielded welding and carbon arc gouging.
Manganese compound
(1) textile industry: shrink-proof finishing
(2) Manufacturing of other basic chemical raw materials: preparation of manganese and its compounds, and preparation of manganese dioxide.
(3) Chemical pesticide manufacturing: synthesis of organic sulfur bactericide and synthesis of other bactericides.
(4) Chemical reagent manufacturing: organic reagent synthesis.
(5) Pharmaceutical industry: addition and catalytic oxidation of synthetic drugs.
(6) Heavy nonferrous metal smelting industry: calcine leaching.
(7) Metal surface treatment and heat treatment industry: phosphating.
(8) Electrical machinery and equipment manufacturing: battery cell manufacturing.
(4) Cadmium and its compounds
1. Possible occupational diseases: cadmium and its compounds poisoning.