機器
accuracy
background
blade
business
circle
circular
construction
cutting
danger
dangerous
drilling
equipment
factory
headphone
industrial
industry
instrument
job
lumber
machinery
manufacturing
milling
plywood
power
production
professional
protect
protection
protective
risk
rotary
safety
saw
sawdust
sawing
technology
timber
tool
training
wearing
wood
wooden
woodwork
work
workshop
yellow