Washing machine and bell: what they have in common

1. Step 1. Washing machine — has part — Shock absorber. Shock absorbers damp the drum's shaking during the spin.
2. Step 2. Shock absorber — has part — Piston. Inside, a piston moves in oil.
3. Step 3. Piston — is part of — Piston pump. The piston draws in and pushes out liquid.
4. Step 4. Piston pump — is part of — Diving suit. Air was pumped from the surface.
5. Step 5. Diving suit — evolved from — Diving bell. Individual equipment.
6. Step 6. Diving bell — has part — Bell. A body open at the bottom.

Open Evothings