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Old 17th July 2011, 06:34 PM
DeanB DeanB is offline
Senior Member
Join Date: May 2009
Member of: Harriers FTC
Location: Worcs
Posts: 499

Quite often carry out trials in factories with very wet (spray) environments - writing on photographic paper seems to work OK - but costs more. Providing everyone is honest, I guess the "cards" used by divers would be the best option.

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