(fencing) A device Utilized in electrical fencing to detect no matter whether a weapon has struck an opponent, which connects to some fencer's weapon by a spool and system wire. It works by using lights and audio to inform a success, with distinct coloured lights for on target and off https://gabletoppak.com/india-leads-in-generating-plastic-waste-with-10-2-mn-tonnes-a-year-study/