機器
auto
carry
control
design
detail
dirty
engineer
equipment
factory
fittings
fork
forklift
hand
heavy
hold
industrial
industry
iron
loading
lock
maintenance
mechanic
mechanical
metal
moving
object
old
operator
part
picking
pipes
production
protection
red
rusty
save
slip
steel
stuck
system
technology
tight
tool
tractor
truck
tube
vehicle
work
workshop