Rubber band strap e screw press: o que têm em comum

1. Passo 1. Rubber band strap — faz parte de — Tourniquet. An elastic band.
2. Passo 2. Tourniquet — tem como parte — Screw thread. Petit’s tourniquet was tightened with a screw.
3. Passo 3. Screw thread — evoluiu de — Screw. A thread is an application of the screw.
4. Passo 4. Screw — é utilizado em — Screw press. The force is produced by turning a screw.

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