De quoi est fait refrigerator car
A cooled railway car for perishable goods.
- Thermal insulation — a pour partie. An insulated body.
- Compresseur — a pour partie. A refrigeration unit.
- Bogie — a pour partie. Bogies.
- Ice house — utilise. At first — ice.
- Vapour-compression cycle — utilise. Later — refrigeration machines.
- Wood — est fait de. Ice-cooled cars were wooden with insulation.
- Steel — est fait de. The frame and bogies are steel.