機器
accuracy
blueprints
caliper
callipers
circles
closeup
compass
cross
design
document
drafting
drawing
engineer
engineering
gear
grey
image
industry
instrument
layout
macro
manufacturing
measurements
measuring
mechanical
metal
metallic
meter
nobody
object
old
paper
part
plan
planning
plotter
print
printout
ruler
section
specifications
steel
technical
technology
tools
trammel
vernier
white