GLOSSARY

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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ULTRASONIC CLEANING

Removal of residues by an immersion process in which electronically induced cavitations greatly enhances the effectiveness of the solvent or detergent.


ULTRAVIOLET

(UV) light – Light at the violet end of the light spectrum that is normally not visible to the human eye. UV light waves are shorter than visible light waves and longer than X-rays.


ULV fogger

An Ultra Low Volume atomizer of water-based deodorants that produces a mist in an 8-15 micron MMD. The ULV is used for fogging moisture sensitive fabrics or surfaces. cp _wet fogger and thermal fogger_


UNDERLAY (CUSHION)

A material such as rubber, foam or felt that is paid over a hard floor prior to Carpeting being laid


UNIT PRICE

An amount shown in an estimate or contract as the price for a standard quantity of a particular material or service. Unit In Place prices cover both the material and installation.


UNSALVAGEABLE

Damaged beyond the possibility of cost-effective restoration.