英文關鍵字
apparatus
automatic
beam
bundle
computer
cut
cutting
device
electric
electron
electronics
equipment
facilities
fretsaw
industrial
industry
irradiation
jigger
lab
laboratory
laser
light
machine
mechanism
optics
plywood
pokerwork
power
precision
processing
programmable
pyrography
ray
saw
sawing
sawmill
searing
shaft
slicing
technique
technology
timber
voltage
woodcut
woodcutter
woodwork
work
working
workshop
xylography