{HEAD ~ The grid} is of {TAIL ~ the type} adapted to carry a pan along a path defined by a conveyor to which the grid is attached 
is of
{ HEAD ~ The grid } is of { TAIL ~ the type } adapted to carry a pan along a path defined by a conveyor to which the grid is attached
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH