Ultraviolet light (UV) light is used in a variety of applications and is known for its ability to expose objects and extend visibility beyond the scope natural light. Ultraviolet light, because it uses short wavelengths, detects things that would otherwise be considered invisible to the naked eye. The use of ultraviolet light is now common in several industries. Ultra violet torches--another term for flashlight--are used to detect toxins, evidence of pest infestation and possible currency fraud.
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Home Appraisal and Inspection
Some real estate appraisers and home inspectors use UV torches to inspect homes thoroughly for structural damage, plumbing and electrical hazards and to look for the presence of toxic substances in building materials. By using ultraviolet light, inspectors and appraisers can detect stains, smears, cracks and leakages not visible to the naked eye or uncovered by standard flashlights.
The use of ultraviolet torches has proved useful in law enforcement and for fraud protection professionals in the financial-services and banking industries. Torches can detect when fraudulent ink has been used to make counterfeit money and forged documents. Ultraviolet torches also verify that documents such as passports, identification cards and credit cards are authentic. Professionals pass torches over the documents while the light reveals symbols not normally detected by the human eye, such as watermarks, official seals and other markings.
Pest-control professionals commonly use ultraviolet torches to detect the presence of mice, rats, roaches, scorpions and other pests in buildings. According to professionals at Do-It-Yourself Pest Control, even when pests are hiding, ultraviolet torches can expose traces of rodent urine. Professionals use torches to inspect crawl spaces, attics, cellars and other tight and dark areas where pests are known to stay.
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