{TAIL ~ A circular saw} has {HEAD ~ a housing} enclosing a motor for driving an output shaft about an axis of rotation 
{ TAIL ~ A circular saw } has { HEAD ~ a housing } enclosing a motor for driving an output shaft about an axis of rotation
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH