Oxygen concentrator e jacquard loom: o que têm em comum

1. Passo 1. Oxygen concentrator — tem como parte — Valve. They switch the columns.
2. Passo 2. Valve — faz parte de — Fole. A valve in the bellows lets air in when they open and keeps it from escaping back.
3. Passo 3. Fole — faz parte de — Player piano. Pedal bellows create suction.
4. Passo 4. Player piano — funciona como — Jacquard loom. A perforated medium controls a machine — a weaving one in one case, a musical one in the other.

Abrir Evothings