機器
closeup
corner
cut
cutting
disk
equipment
factory
fitter
flame
flames
grind
grinder
grinding
handyman
home
industrial
industry
iron
light
maintenance
manual
manufacture
manufacturing
mechanic
melting
metal
mill
old
pipe
power
production
professional
protection
safety
sanding
sawing
site
spark
spray
steel
technical
technology
tool
treatment
turning
welding
work
worker
workshop