機器
blade
building
carpenter
carpentry
closeup
construction
craft
craftsman
cut
electric
equipment
hand
house
improvement
industrial
industry
labor protection
man
manual
metal
nail
occupation
people
person
plank
power
rotary
safety
safety rules
saw
sawdust
sawing
sharp
table
technology
timber
tool
tools
wood
wood board
wooden
woodwork
work
work tool
worker
workshop