英文關鍵字
alluminium
caucasian
checking
checks
chemical
chrome
clean
computer
control
doors
efficiency
engineering
equipment
factory
fermenter
food
glass
glasses
graphs
industrial
industry
lab
laboratory
machine
manufacturing
medical
mill
notes
operability
panel
paper
pharmaciutical
pipe
pressure
production
products
quality
readings
room
scientist
serviceability
shaft
stainless
steel
storage
tablet
tanks
vessel
walls
woman
workers
working