african
africanamerican
black
board
cartoon
coal
coal industry
coal mine
computer
control
control panel
design
device
electrical
electrician
electronic
engineer
engineering
equipment
ethnicity
factory
factory equipment
female
flat
horizontal
human
illustration
industrial
industrial plant
industrial worker
industry
industry worker
layout
manufacture
miner
operator
panel
people
person
pickaxe
plant
technical
technician
technology
text space
woman
work
worker
workshop