機器
accuracy
accurate
anker
antique
balance
brass
chronometer
clock
clockwork
closeup
cog
cogwheel
detail
engineering
equipment
gear
gearwheels
hour
industry
inside
interior
iron
macro
mechanic
mechanical
mechanism
metallic
minute
motion
movement
old
part
precise
precision
progress
retro
rotation
screw
small
spin
spring
technology
timepiece
timer
tooth
turn
vintage
wheel
yellow