Ferrocério e gas lamp: o que têm em comum

1. Passo 1. Ferrocério — faz parte de — Lighter. The flint strikes sparks.
2. Passo 2. Lighter — tem como parte — Wick. Petrol lighters have a wick.
3. Passo 3. Wick — faz parte de — Oil lamp. The wick feeds oil to the flame.
4. Passo 4. Oil lamp — evoluiu para — Incandescent light bulb. The electric lamp replaced oil and gas lamps.
5. Passo 5. Incandescent light bulb — evoluiu de — Gas lamp. Electricity displaced gas lighting.

Abrir Evothings