機器
advertisement
binding
bonding
circle
clock
clockwork
cog
cogwheel
commercial
connection
copy space
engaged
engine
engineering
gear
gearbox
hardware
industry
interlocking
item
machinery
macro
mechanical
mechanics
mechanism
metal
metallic
old
part
precision
progress
retro
rotation
sprockets
surface
teamwork
time
together
toned
tool
turn
twist
working