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