This drum wall 5 has on {TAIL ~ the outside} {HEAD ~ a plurality} of plastic elevations such as mandrels 6 
on
This drum wall 5 has on { TAIL ~ the outside } { HEAD ~ a plurality } of plastic elevations such as mandrels 6
OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH