In an “ON” state, the electrical circuit of {HEAD ~ apparatus} 38 is configured to energize bulbs 24 such that bulbs 24 emit a non zero amount of a sanitizing agent, such as {TAIL ~ germicidal UV}, toward the doorknob 
In an “ ON ” state , the electrical circuit of { HEAD ~ apparatus } 38 is configured to energize bulbs 24 such that bulbs 24 emit a non zero amount of a sanitizing agent , such as { TAIL ~ germicidal UV } , toward the doorknob
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH