機器
aggregate
background
blueprint
caliper
circle
compass
construction
design
detail
diagram
diameter
document
draft
drafting
drawing
education
engineer
engineering
fragment
geometry
graphic
idea
industrial
industries
industry
instrument
measurement
mechanical
mechanism
milimeter
outline
paper
pattern
pencil
plan
print
professional
project
projecting
radius
range
ruler
scheme
shape
sketch
technical
technology
tool