A guide for use with {TAIL ~ a portable power saw} has a cutting tool which revolves about an arbor in order to cut {HEAD ~ a surface} 
A guide for use with { TAIL ~ a portable power saw } has a cutting tool which revolves about an arbor in order to cut { HEAD ~ a surface }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD