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