機器
cnc
computer
concept
construction
contour
control
cutting
design
device
element
engineering
engraving
equipment
factory
flat
graphic
icon
illustration
industry
iron
isolated
laser
line
linear
logo
logotype
manufacture
manufacturing
material
metalwork
minimal
monochrome
nobody
object
outline
pictogram
plasma
processing
production
robotic
sign
silhouette
simple
steel
symbol
template
tool
welding