機器
abstract
architect
background
blue
blueprint
built
cad
car
chalkboard
concept
construct
construction
contour
design
designer
development
diagram
document
draft
drafting
draw
drawing
electric
electrical
electromagnetic
engine
engineer
engineering
gear
grid
grungy
industrial
machinery
mechanic
mechanical
motor
outline
paper
pattern
plan
print
project
ship
sketch
spaceship
technic
technical
technology