axe
background
black
caucasian
charcoal
coal
cutout
danger
dark
death
dirty
exploitation
extraction
fossil
fuel
gesture
hand
hard
hardhat
industry
job
labour
male
man
miner
minerals
mining
occupation
ore
people
person
pick
portrait
processing
production
profession
resources
risk
rock
salary
social
stone
stop
strong
tool
tunnelling
underground
uniform
work
worker