3d
adjusting
ampere
button
carpentry
circle
cogwheel
compass
construction
design
digital
drafting
draw
drawing
electric
electrical
engineer
engineering
equipment
gear
geometry
graph
grid
hammer
hardware
icon
illustration
industry
instrument
isolated
isometric
meter
multimeter
paper
precision
purple
repair
service
set
setting
square
symbol
technical
tool
voltage
voltmeter
wheel
work