1. Traditional air power: pneumatic tools, rock drills, pneumatic picks, pneumatic wrenches, pneumatic sandblasting
2. Instrument control and automation devices, such as tool replacement in machining centers, etc.
3. Vehicle braking, opening and closing of doors and windows
4. In the air-jet loom, compressed air is used to blow the weft yarn instead of the shuttle
5. Food and pharmaceutical industries, use compressed air to agitate the slurry
6. Starting of large marine diesel engine
7. Wind tunnel experiment, underground passage ventilation, metal smelting