英文關鍵字
adhessive
area
automatic
careful
cautious
comply
down
duct
equipment
factory
furniture
glue
hands
industrial
industry
machinery
manual
manually
measure
measures
natural
observe
operation
part
piece
plan
plant
position
precaution
process
produce
producer
production
professional
protective
quick
rectangular
respect
rule
safety
saw
stick
tape
uniform
wood
wooden
woodworking
work
worker
zone