英文關鍵字
1080p
1920x1080
alloy
animated
background
blue
clock
colors
concept
cranking
drawing
engine
engineering
factory
gears
generator
green
grunge
idea
illustration
industrial
iron
lighting
machine
mechanical
metal
motor
moving
parts
power
precision
production
purple
red
rotating
rust
shadow
steel
texture
thinking
timing