英文關鍵字
abstract
accuracy
antique
background
body
bolt
clock
clockwork
closeup
cogs
detail
equipment
eternity
gear
inside
machine
machinery
macro
mechanic
mechanical
mechanism
metal
metallic
minute
motion
nobody
old
open
part
pendulum
precision
retro
selective
sign
small
steel
stone
swiss
technical
technics
technology
time
toning
turning
vintage
watch
wheel
white