human
What are the different types of air compressors?
assistant
1.  Air Compressors - These machines use a piston to compress air, which is then stored in a tank for later use.
2.  Air-Powered Tools - This type of compressor uses compressed air to power pneumatic tools such as sanders and drills.
3.  Industrial Air Compressors - Industrial air compressors are designed for industrial applications such as welding and metalworking.
4.  Portable Air Compressors - Portable air compressors are designed to be easily moved from one place to another.