DD CEN/TS 843-9:2010

Glass - A solid, typically transparent. Brittle and used in windows. The first patent granted in the UK was for Glass.

Ceramic - A hard material with excellent heat resistance made by heating a crystaline substance such as clay

edge - Enhanced data rates for GSM evolution also known as enhanced GPRS. A mobile phone technology with improved data transmission rates.

edge - The point at which two surfaces meet

Equipment - A product or good that is tactile.

technical - Something that relates to a good level of skill and methods.

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