cold sores go through several stages and generally last anywhere from one to three weeks the first symptom you notice will probably be a tingling or itching sensation on your lips chin nose or cheek this is a sign that a cold sore is forming this stage lasts one or two days after which a blister or cluster of blisters will form
Scanner (radio) A scanner (also referred to a police scanner, police scanner radio or radio scanner) is a radio receiver that can automatically tune, or scan, two or more discrete frequencies, stopping when it finds a signal on one of them and then continuing to scan other frequencies when the initial transmission ceases.
Scan Wand The Scan Wand is the ultimate public security wand that detects potentially dangerous weapons! Wave this security wand along a person to detect for potentially dangerous devices. You want to maintain a safe environment at your major event. Used by security personnel for years for concerts, schools, restaurants, airports, and bars, the scan wand keeps locations safe by making an audible alarm or vibrating when it detects metal. Typical performance figures are given below: