Multilayer insulation blanket e petri dish: o que têm em comum

1. Passo 1. Multilayer insulation blanket — faz parte de — Spacesuit. Multi-layer insulation against temperature swings.
2. Passo 2. Spacesuit — é feito de — Vulcanized rubber. The pressure bladder is rubber.
3. Passo 3. Vulcanized rubber — é material para — Respirator. The mask is rubber.
4. Passo 4. Respirator — evoluiu de — Surgical mask. A filtering mask.
5. Passo 5. Surgical mask — utiliza — Germ theory of disease. Protection against droplets.
6. Passo 6. Germ theory of disease — é utilizado em — Petri dish. Growing bacterial cultures.

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