機器
achievement
background
best
black
business
certified
check
checkup
chrome
cog
cogwheel
control
equipment
examination
excellence
gear
gearwheel
guarantee
high
improvement
industrial
inspection
machinery
management
mechanics
mechanism
metal
metallic
monitoring
motivation
nickel
perfect
perfection
process
production
quality
quality cintrol
revision
satisfaction
scratch
steel
survey
symbol
tool
tqm
warranty
wheel