The apparatus may further include {HEAD ~ one or more sources} of {TAIL ~ a sanitizing agent} configured to direct the sanitizing agent toward the point of contact surface 
of
The apparatus may further include { HEAD ~ one or more sources } of { TAIL ~ a sanitizing agent } configured to direct the sanitizing agent toward the point of contact surface
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH