Streptomycin and incandescent light bulb: what they have in common

1. Step 1. Streptomycin — is a kind of — Antibiotic. An antibiotic.
2. Step 2. Antibiotic — uses — Fermentation. Penicillin is produced by fermentation.
3. Step 3. Fermentation — is used in — Bread. Yeast dough rises through fermentation.
4. Step 4. Bread — uses — Bread machine. Baking at home.
5. Step 5. Bread machine — has part — Heating element. A heater.
6. Step 6. Heating element — works like — Incandescent light bulb. A lamp and a heater use the same effect — a conductor heated by current; they differ in purpose, light or heat.

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