英文關鍵字
accuracy
background
balance
blue
clock
closeup
cogwheel
concept
conceptual
creative
detail
equipment
gear
hour
inside
instrument
interior
iron
machine
machinery
macro
mechanical
mechanics
mechanism
metal
metallic
minute
motion
movement
nobody
obsolete
old
part
precise
precision
retro
rotation
small
spin
steel
stopwatch
teamwork
technology
time
timepiece
timer
vintage
watch
wheel
wristwatch