(fencing) A Device Utilized in electric powered fencing to detect no matter whether a weapon has struck an opponent, which connects to the fencer's weapon by a spool and system wire. It uses lights and sound to inform successful, with unique coloured lights for on focus on and off goal https://gabletoppak.com/the-growing-threat-of-marine-pollution-and-how-gabletop-cartons-offer-a-solution/