The construction and installation industry refers to construction and installation engineering operations. It includes: construction, installation, repair, decoration, and other engineering operations.
1. Construction refers to the construction, reconstruction, and expansion of various buildings and structures, including the installation or installation of various equipment or pillars and operating platforms connected to the building. As well as various kiln and metal structure engineering operations;
2. Installation refers to production equipment, power equipment, lifting equipment, transportation equipment, transmission equipment, medical experimental equipment and other various equipment Assembly and installation engineering operations, including the installation engineering operations of workbenches, ladders, and railings connected to the equipment, and engineering operations such as insulation, anti-corrosion, heat preservation, and painting of the installed equipment;
3. Renovation refers to the engineering work of repairing, reinforcing, maintaining and improving buildings and structures to restore their original use value or extend their service life;
4. Decoration refers to the renovation of buildings and structures. , engineering operations to modify structures to make them beautiful or have specific uses;
5. Other engineering operations refer to various engineering operations other than the above-mentioned engineering operations.