機器
activity
adult
background
board
builder
building
carpenter
carpentry
chain
chainsaw
construction
cut
danger
electric
equipment
hand
home
house
human
industry
job
lumber
male
man
manual
material
natural
nature
occupation
outdoor
outdoors
people
person
power
professional
safety
saw
sawdust
sawing
technology
timber
tool
tree
wood
wooden
work
worker