activity
balance
cog
cogwheel
concept
connect
connection
consequence
construction
cooperation
effect
effectivity
engine
engineering
force
gear
gearwheels
idea
impact
industrial
industry
machinery
mechanical
mechanism
metal
motion
movement
organisation
power
precision
process
professional
progress
quality
rotation
round
setting
start
steel
strength
system
team
teamwork
technology
together
tool
transfer
transmission
wheel
work