blast
carbon monoxide
cave
cellar
change
chemical
climate
coal
commodity
construction
copper
danger
danger work
dangerous
dangerous employment
dangerous job
dark
digger
draft
draining
drilling
dusty path
ecology
engineering
environment
equipment
extraction
geology
hard work
headlamp
heavy industtry
historical underground
hole
interior
logistic
man worker
mine
miner
mineral
production
profession
rock
rubber boots
safety equipment
safety glowes
technological way
underground tunnel
vent
ventilation shaft
workerman
定額
Worker with helmet and protective suit using glowes and head lamp. Man to work in old mine ventilation shaft. Underground worker.の素材 [FY31099273336]
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