(fencing) A Tool Employed in electric fencing to detect irrespective of whether a weapon has struck an opponent, which connects into a fencer's weapon by a spool and body wire. It employs lights and seem to notify a hit, with distinct coloured lights for on focus on and off focus https://gabletoppak.com/how-gable-top-pak-and-paper-bottles-lead-in-sustainable-beverage-packaging/