英文關鍵字
abstract
animation
architect
architecture
background
black
build
circle
compass
construction
design
designer
divider
draft
drafting
draw
drawing
engineer
engineering
equipment
geometric
geometry
graphic
icon
idea
illustration
instrument
isolated
mathematics
maths
measure
metal
motion
object
office
paper
pencil
plan
precision
project
scale
school
science
sign
silhouette
simple
symbol
technical
tool
white
work