英文關鍵字
assembling
assembly
caoutchouc
employee
equipment
factory
fitting
fittings
fixture
gum
hand
industrial
installation
insulation
isolation
job
laborer
manual
manufacture
manufacturing
modern
montage
motion
mounting
plant
plastic
process
processing
production
profile
pvc
rubber
seal
sealant
section
sections
setting
window
worker
workman