Pickup truck bed e cinzel: o que têm em comum

1. Passo 1. Pickup truck bed — faz parte de — Pickup truck. An open body.
2. Passo 2. Pickup truck — tem como parte — Internal combustion engine. An internal combustion engine.
3. Passo 3. Internal combustion engine — tem como parte — Piston. The burning mixture pushes the piston.
4. Passo 4. Piston — faz parte de — Rock drill. A percussion piston.
5. Passo 5. Rock drill — é utilizado em — Tunnel. Driving the Mont Cenis tunnel.
6. Passo 6. Tunnel — utiliza — Cinzel. Hezekiah’s Tunnel was cut by hand with chisels.

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