söekaevandus angolul

coal pit▼◼◼◼

colliery [collieries]▼◼◼◻noun
[UK: ˈkɒ.ljə.ri] [US: ˈkɒ.ljə.ri]

coal mine [coal mines]▼◼◼◼noun
[UK: kəʊl maɪn] [US: koʊl ˈmaɪn]