英文關鍵字
assemblage
assemble
assembling
assembly
auxiliary
beam
billet
blank
bracing
clamping
clips
construction
equipment
factory
fastener
industrial
industry
install
installation
instrument
iron
job
manual
manufacturing
mechanic
metal
metallic
mounting
part
parts
plant
processing
product
production
securing
steel
table
tool
unit
vice
work
worker
workman
workpiece
workshop