機器
adjust
assembly
building
circular
construction
contour
element
engine
engineering
equipment
fix
flat
graphic
grayscale
industrial
industry
instruments
isolated
line
maintenance
mechanic
mechanical
metal
metallic
monochrome
object
outline
phillips
repair
screwdriver
service
setting
shadow
sign
silhouette
technical
technology
tool
tooling
toolkit
work
worker
workshop