explosion
abrasive
aerosols from metal processing
alloy
background
bengal
building
craft
craftsmanship
cutter
disk
electric
electricity
factory
finishing
fire
flash
grind
grinding
grinding wheels
heat
horizontal
hot
industrial
industry
laser
lathes
lazer
machine tools
machining
manual
mechanic
metal
milling
plasma
polishing
power
precision
salt metal
salute
sharpening
sparks
steel
temperature
tool
up
welder
welding
wheel
worker