Aeronave e cinzel: o que têm em comum

1. Passo 1. Aeronave — inclui — Hot air balloon. A balloon.
2. Passo 2. Hot air balloon — tem como parte — Gas burner. It heats the air in the envelope with a propane flame.
3. Passo 3. Gas burner — faz parte de — Gas lamp. A coal-gas burner.
4. Passo 4. Gas lamp — evoluiu para — Street light. Gas lamps.
5. Passo 5. Street light — faz parte de — Tunnel. Lighting.
6. Passo 6. Tunnel — utiliza — Cinzel. Hezekiah’s Tunnel was cut by hand with chisels.

Abrir Evothings