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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TUBERCULOCIDE

A disinfectant that controls or kills the bacterium that causes tuberculosis, when used according to label directions.


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.


VACUUM FREEZE DRYING

A method of drying large quantities of wet books and documents, in which frozen water is converted to vapour without passing through a liquid phase.


VACUUM PRESSURE

The negative/positive pressure created in a space or vessel by the removal of the air from that space or vessel


VAPOUR

The gaseous form of a solid or liquid substance formed as it evaporates at atmospheric temperature and pressure.