機器
alluminium
atmosphere
barrel
beer factory
beer tank
checking
chemical
clean
close
compression cap
compressor
efficiency
engineering
equipment
factory
fermenter
food
highpressure
industrial
industry
lab
laboratory
manufacturing
medical
medical workers
operability
pharmaciutical
pressure
pressure meter
production
readings
room
scientist
stainless
steel
storage
tanks
valve
vessel
workers
working