mine fire,spontaneous combustion /ENERGY-MINING/
[DE] Grubenbrand; Selbstentzündung
[EN] mine fire; spontaneous combustion
[FR] combustion spontanée; feu de mine
self-ignition,spontaneous combustion,spontaneous ignition /TECH,INDUSTRY-CHEM/
[DE] Selbstentzündung
[EN] self-ignition; spontaneous combustion; spontaneous ignition
[FR] auto-allumage; ignition spontanée