英文關鍵字
accuracy
ancient
antique
background
balance
clock
clockworks
closeup
cog
cogs
cogwheel
cylindrical
detail
engineering
gear
gears
hour
inside
instrument
iron
machine
macro
mechanical
mechanism
metal
motion
movement
old
part
power
precision
punk
retro
rotation
round
seconds
small
steam
steampunk
steel
stroke
teamwork
time
timepiece
turn
vintage
watch
wheel
work