A proximity switch may be employed to indicate the mold being in position in {HEAD ~ front} of {TAIL ~ the sound detector} 
of
A proximity switch may be employed to indicate the mold being in position in { HEAD ~ front } of { TAIL ~ the sound detector }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL