abstract
accuracy
aluminum
apparatus
blue
business
circle
clockwork
cogs
cogwheel
collaboration
concept
conceptual
connecting
development
device
drive
energy
engine
exactness
family
gear
group
industry
manufacture
mechanics
mechanism
metal
motion
move
office
precision
quality
square
symbol
system
team
teamwork
technology
tooth
toothed
transmission
turn
wheel
wirtschaft
work