Die faces with pips e vacuum pump: o que têm em comum

1. Passo 1. Die faces with pips — faz parte de — Dado. Six faces with dots from 1 to 6.
2. Passo 2. Dado — é feito de — Osso. Ancient dice were carved from animal bones.
3. Passo 3. Osso — é material para — Needle. The first needles with an eye were carved from bone.
4. Passo 4. Needle — faz parte de — Syringe. A hollow needle.
5. Passo 5. Syringe — funciona como — Piston pump. A syringe is a hand-operated piston pump.
6. Passo 6. Piston pump — evoluiu para — Vacuum pump. Guericke adapted the piston pump to pump out air.

Abrir Evothings