Gas de hulla y prensa hidráulica: qué tienen en común

1. Paso 1. Gas de hulla — está hecho de — Carbón. The gas was made by the dry distillation of coal.
2. Paso 2. Carbón — es material para — Aspirina. The raw materials of early pharmaceutical synthesis were products of coal tar distillation.
3. Paso 3. Aspirina — utiliza — Pastilla. Produced as tablets.
4. Paso 4. Pastilla — utiliza — Prensa hidráulica. Tablets are pressed.

Abrir Evothings