英文關鍵字
assembly
brigadier
business
construction
conveyor
diesel
dump
dumper
electro
engine
engineering
enterprise
equipment
factory
grinding
hangar
haul
heavy
industrial
industry
interior
large
line
machine
machinery
machines
manufactory
miller
mine
mining
plant
product
production
quarry
refractoriness
shipping
site
steel
storage
technology
tools
transportation
truck
trucks
turner
vehicle
warehouse
wiring
work
worker
workshop