{HEAD ~ The turntable} is supported by the base and rotatable about {TAIL ~ the rotation center} 
is rotatable about
{ HEAD ~ The turntable } is supported by the base and rotatable about { TAIL ~ the rotation center }
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL