a plurality of change retaining means for retaining {HEAD ~ each type} of {TAIL ~ deposited coin} 
of
a plurality of change retaining means for retaining { HEAD ~ each type } of { TAIL ~ deposited coin }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL