abrasive
action
automated
bright
brightly lit
circle
cnc
cnc machine
construction worker
corundum
descriptive color
dtechnology
engineering
equipment
fabric
factory
fire
flash
grinder
grinding
grinding machine
heat
industrial
industrial equipment
industry
iron
light
locksmith
machine shop
making
manufacturing
master
metal
metalworking
plant
polishing
power
precision
production
rotation
saw
spark
sparks
tool
wear
welding
whetstone
work
worker
workshop