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