What is the range of industries in which compressed air can be used? Where can I do the test

Compressed air use areas and uses:

Pneumatic tools: pickaxe, drilling rigs, sanders, etc.

Air separation: separation of air to make O2, N2, CO2

Factory Maintenance: airblast cleaning, drive tools (steam hammers, concrete vibrators, drills, sanders, cranes, paving and crushing machines, rivet guns, de-oxidized skin, hose rewinders, wrenches), sandblasting, metal spraying, painting, water spray systems

Mining machinery: air for ventilation, drilling of large holes, air and water removal, filtering of fines, pneumatic hoists, driving rock drills, air drills, blow holes, pile drivers, rock drills, stone mixing, supplemental oxygen