(fencing) A tool used in electrical fencing to detect whether a weapon has struck an opponent, which connects into a fencer's weapon by a spool and entire body wire. It employs lights and audio to inform successful, with diverse coloured lights for on concentrate on and off target hits. Though https://gabletoppak.com/the-growing-threat-of-marine-pollution-and-how-gabletop-cartons-offer-a-solution/