adjustable
background
blueprint
building
construction
design
diagram
drawing
engineer
engineering
equipment
gear
glitter
graph
graphic
hammer
hand
home
industrial
industry
instrument
job
mallet
mechanic
metal
millwright
model
nippers
paper
pipe
plan
pliers
professional
repair
roller
screw
screwdriver
sketch
socket
spanner
steel
technic
technical
technology
tool
various
wheel
work
worker
wrench