機器
assemblage
assembling
assembly
automatic
automation
blade
construction
detail
dismantling
door
drill
electric
element
engineering
equipment
factory
fitting
flash
gate
gear
iron
lift
light
machanic
machinery
maintenance
manual
manufacture
mechanical
mechanism
mending
metal
metallic
mounting
opener
part
parts
power
protection
repair
replacement
roller
rolling
shutter
spark
speed
spin
spring
steel
structure
system
technical
technology
tool
treatment
turning
upkeep
warehouse
welding
work
worker
workshop
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