機器
adjusting
adjustment
assembling
builder
checking
construction
elevator
elevator shaft
elevator well
engine
engineer
fix
hoist
hoisting gear
hoistway
industrial
industry
inspector
installation
installer
installing
laborer
lift
lift shaft
machinery
machinist
mainenance
maintenance
man
mechanic
mechanism
mounting
repair
repairer
repairing
repairman
screw
service
technical specialist
technician
tester
tighten
tool
work
worker
working