機器
accompaniment
availability
background
black
business
chrome
cog
cogwheel
continuity
correction
equipment
evaluation
examination
gear
gearwheel
handling
industrial
level
machinery
maintenance
measures
mechanics
mechanism
metal
metallic
modernization
nickel
permanent
prevention
reconstruction
reliability
remedial
removal
repair
replacement
scheduled
scratch
service
stability
steel
symbol
technical
tool
wheel