機器
background
bench
carpentry
drill
driller
drilling
electric
equipment
grind
hand
hands
hands closeup
hole
human
industrial
industry
iron
job
man
manual
manual worker
manufacturing
metal
metallic
metalworker
metalworking
perforating
perforator
process
production
repair
repairing
safety
saw
screw
screwdriver
screwing
sheet metal
special
technical
tool
work tool
worker
working
workshop