The shape and {HEAD ~ materials} of {TAIL ~ interior} 16 may reflect and direct the sanitizing agent onto the doorknob 
of
The shape and { HEAD ~ materials } of { TAIL ~ interior } 16 may reflect and direct the sanitizing agent onto the doorknob
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH