When the electric power supplying is stopped, the needle 136 is returned to the original position by {HEAD ~ the elasticity} of {TAIL ~ the spring} 128 
of
When the electric power supplying is stopped , the needle 136 is returned to the original position by { HEAD ~ the elasticity } of { TAIL ~ the spring } 128
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH