Screw-cutting lathe and vacuum pump: what they have in common

1. Step 1. Screw-cutting lathe — has part — Lead screw. The lead screw moves the cutting tool.
2. Step 2. Lead screw — uses — Screw. A lead screw is a screw.
3. Step 3. Screw — is used in — Jack. A screw jack.
4. Step 4. Jack — has part — Check valve. Check valves.
5. Step 5. Check valve — is part of — Vacuum pump. Valves stop air from flowing back.

Open Evothings