(fencing) A Device Utilized in electric powered fencing to detect regardless of whether a weapon has struck an opponent, which connects to some fencer's weapon by a spool and system wire. It employs lights and seem to notify a success, with different coloured lights for on goal and off focus https://gabletoppak.com/lakes-developed-under-smart-cities-initiative-in-coimbatore-turn-dumping-grounds-for-plastic-waste/