Gun barrel e cinzel: o que têm em comum

1. Passo 1. Gun barrel — faz parte de — Hand cannon. A short metal tube.
2. Passo 2. Hand cannon — utiliza — Gunpowder. Gunpowder propels the projectile.
3. Passo 3. Gunpowder — evoluiu para — Dinamite. A replacement for gunpowder in mining.
4. Passo 4. Dinamite — é utilizado em — Tunnel. Drilling and blasting.
5. Passo 5. Tunnel — utiliza — Cinzel. Hezekiah’s Tunnel was cut by hand with chisels.

Abrir Evothings