機器
automatic
battery
brake
build
company
construction
control
danger
dead
devices
diesel
drive
electric
electronic
elevator
equipment
factory
health
height
hydraulic
indicator
industrial
installation
isolated
isometric
job
labor
level
lift
lifter
machinery
maintenance
man
mandatory
platform
prevention
reach
repair
reparation
rise
risk
safely
safety
scissors
security
stop
switch
work
worker
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