英文關鍵字
background
barrel
bench
blade
blades
boards
business
carpentry
construction
crane
cut
electricity
energy
engineering
equipment
factory
firewood
forestry
gas
generator
grinding
industrial
industry
large
log
lumber
machine
machinery
manufacturing
material
metal
nature
object
operator
pine
plant
power
preparation
pressure
production
professional
repair
rotate
rotor
saw
sawdust
sawmill
stack
steam
steel
stock
storage
technology
timber
tree
trunk
turbine
turbo
warehouse
wood
wooden
woodwork
work
workshop