{HEAD ~ The vacuum switch} includes a movable connecting pin, {TAIL ~ a drive lever}, a spring, and a stop 
includes
{ HEAD ~ The vacuum switch } includes a movable connecting pin , { TAIL ~ a drive lever } , a spring , and a stop
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH