Drafting rollers and air conditioner: what they have in common

1. Step 1. Drafting rollers — is part of — Spinning mule. From the water frame.
2. Step 2. Spinning mule — uses — Cotton. It spins fine cotton thread.
3. Step 3. Cotton — is material for — Vacuum cleaner. The dust bag is a cloth bag.
4. Step 4. Vacuum cleaner — has part — Impeller. An impeller creates the suction.
5. Step 5. Impeller — is part of — Compressor. A centrifugal compressor is an impeller.
6. Step 6. Compressor — is part of — Air conditioner. A compressor.

Open Evothings