Hydrogen energy e gas lamp: o que têm em comum

1. Passo 1. Hydrogen energy — utiliza — Eletrolisador. Producing hydrogen.
2. Passo 2. Eletrolisador — tem como parte — Rectifier. A direct-current supply.
3. Passo 3. Rectifier — faz parte de — LED lamp. The driver in the base rectifies mains current and limits the LED current; in an ordinary bulb it has no transformer.
4. Passo 4. LED lamp — evoluiu de — Incandescent light bulb. It replaced incandescent bulbs.
5. Passo 5. Incandescent light bulb — evoluiu de — Gas lamp. Electricity displaced gas lighting.

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