(fencing) A device used in electrical fencing to detect no matter whether a weapon has struck an opponent, which connects to your fencer's weapon by a spool and physique wire. It employs lights and seem to inform successful, with distinctive coloured lights for on concentrate on and off focus on https://gabletoppak.com/india-leads-in-generating-plastic-waste-with-10-2-mn-tonnes-a-year-study/