(fencing) A Tool Employed in electric powered fencing to detect whether or not a weapon has struck an opponent, which connects into a fencer's weapon by a spool and body wire. It employs lights and sound to inform successful, with different coloured lights for on focus on and off focus https://gabletoppak.com/reducing-microplastics-why-gable-top-cartons-are-better-than-plastic-water-bottles/