{HEAD ~ Floatation marker buoy} 51 is a generally spherically shaped member made of {TAIL ~ a buoyant material} 
{ HEAD ~ Floatation marker buoy } 51 is a generally spherically shaped member made of { TAIL ~ a buoyant material }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL