background
blueprint
cog
cogwheel
communication
component
concept
connection
cooperation
editable
element
engine
engineer
engineering
equipment
factory
fit
gear
geography
global
illustration
industrial
industry
machinery
man
manufacturing
mechanical
mechanics
mechanism
metal
part
people
plan
power
progress
project
rotation
skilled
strength
structure
supervisor
symbol
teamwork
technical
transmission
wheel
worker
working
workman