adjustable
aluminum
black
bolt
chrome
construction
detail
drawing
element
engineering
equipment
hardware
head
icon
illustration
industrial
industry
iron
isolated
line
machinery
maintenance
mechanic
metal
metallic
nail
nut
object
outline
repair
rivet
screw
set
sign
silhouette
simple
stainless
steel
symbol
technical
tool
utility
white
work
worker
workshop
zinc