機器
activity
agriculture
animal
belt
boar
breeding
business
butcher
cold
company
conveyor
cut
domestic
economy
energy
engine
equipment
factory
farm
food
fresh
hand
heat
heavy
hog
indoors
industrial
industry
interior
line
livestock
meat
men
metal
pig
piggy
piglet
pigs
pigstry
plant
pork
processing
production
steel
structure
swine
white
work
worker