(fencing) A tool Employed in electric powered fencing to detect no matter if a weapon has struck an opponent, which connects to a fencer's weapon by a spool and system wire. It uses lights and audio to notify successful, with distinct coloured lights for on concentrate on and off concentrate https://gabletoppak.com/india-leads-in-generating-plastic-waste-with-10-2-mn-tonnes-a-year-study/