In the writ, barrister Caroline McColgan said Ms Pate was carrying out a stock take within the Coast section of the shop when she dropped the jewellery.

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Once the hole has been blasted open with hot water, a probe carrying an ultraviolet light will be lowered to sterilise its upper section.

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As well as carrying Chesterfield's name and the traditional welcome message, the 11 signs have an interchangeable section to publicise events.

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