機器
adjustment
align
alignment
balance
check
control
coupling
engineering
equipment
factory
failure
fix
industrial
industry
inspection
installing
job
laser
machinery
maintain
maintenance
man
manufacture
manufacturing
mechanic
mechanical
metal
people
precision
problem
production
pump
readjust
reinstalling
repair
repairman
rotating
sensor
service
shaft
steel
technician
technology
tool
transmission
tuning
work
worker
workshop