機器
aluminum
アルミニウム
automatic
background
blue
chemical
clean
compressor
construction
container
control
controlled
electricity
engineering
equipment
factory
heavy
huge
industrial
industry
instrument
interior
iron
large
machinery
manufacture
manufacturing
mechanical
metal
metallic
modern
new
pharmaceutical
pharmacy
pipe
pipeline
plant
power
pressure
processing
production
stainless
steel
tank
technology
tool
valve
work
workshop
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