Crutch handgrip and screw press: what they have in common

1. Step 1. Crutch handgrip — is part of — Crutches. A grip for the hand.
2. Step 2. Crutches — uses — Lever. A support.
3. Step 3. Lever — is part of — Screw press. A lever for turning the screw.

Open Evothings