The lever 57 is sized such that placement of {HEAD ~ a soft drink cup} against {TAIL ~ lever} 57 engages switch 40 
against
The lever 57 is sized such that placement of { HEAD ~ a soft drink cup } against { TAIL ~ lever } 57 engages switch 40
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH