Nose clip wire e refrigerator: o que têm em comum

1. Passo 1. Nose clip wire — faz parte de — Surgical mask. A wire shaped to the nose.
2. Passo 2. Surgical mask — utiliza — Germ theory of disease. Protection against droplets.
3. Passo 3. Germ theory of disease — é utilizado em — Vaccine. Pasteur developed vaccination on the basis of germ theory.
4. Passo 4. Vaccine — utiliza — Cadeia de frio. Cold storage.
5. Passo 5. Cadeia de frio — utiliza — Refrigerator. Refrigerators.

Abrir Evothings