De qué está hecho caldera
A vessel in which water turns into steam under pressure.
- Válvula de seguridad — tiene como parte. A mandatory safeguard for boilers.
- Manómetro — tiene como parte. The gauge on a boiler shows the steam pressure — without it the boiler could explode.
- Combustión — utiliza. The firebox heats the water.
- Calor latente — utiliza. Evaporation needs latent heat.
- Cobre — está hecho de. Early boilers were copper.
- Hierro forjado — está hecho de. Later — made of sheet wrought iron.