機器
abstract
architecture
background
blue
blueprint
car
concept
construction
cover
design
draw
drawing
engine
engineer
engineering
gear
gears
industrial
industry
ink
line
machinery
mechanic
mechanical
mechanism
metal
modern
motor
object
outline
plan
print
rocket
schematic
scheme
science
set
shape
silhouette
space
structure
technical
technology
texture
turbo
vehicle
wheel
white
work