機器
activity
assembly
bacon
belt
chemical
chemistry
cold cuts
company
complex
conveyor
device
economy
energy
engine
factory
fuel
ham
hand
heat
heavy
indoors
industrial
industry
interior
line
machinery
man
manufacture
meat
men
metal
operator
pipe
plant
producing
production
sausages
spices
steel
structure
technical
technique
union
work
worker
workman