(fencing) A tool Employed in electric fencing to detect no matter whether a weapon has struck an opponent, which connects to some fencer's weapon by a spool and physique wire. It uses lights and sound to notify a hit, with various coloured lights for on target and off focus on https://gabletoppak.com/supporting-sdg-14-life-below-water-through-sustainable-edible-oil-packaging-with-gabletop-cartons/