機器
abstract
aggregate
binding
cad
circle
closeup
cogwheel
component
cutout
design
detail
disk
document
drafting
drawing
driving
education
element
engineering
fastening
fragment
frame
gear
hand
industrial
interlink
join
measuring instrument
metal
metallic
paper
part
pattern
pencil
pinion
plan
production
project
round
ruler
set
sketch
spur
steel
steel part
technical
technology
tool
wheel