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