Smart home e hammer: o que têm em comum

1. Passo 1. Smart home — tem como parte — Thermostat. A smart thermostat.
2. Passo 2. Thermostat — faz parte de — Refrigerator. A thermostat.
3. Passo 3. Refrigerator — evoluiu de — Ice house. The refrigerator replaced natural ice.
4. Passo 4. Ice house — é feito de — Stone. Ice houses were built of stone and sunk into the ground.
5. Passo 5. Stone — é material para — Hammer. The first hammer was a hammerstone, later mounted on a handle.

Abrir Evothings