(fencing) A device used in electrical fencing to detect whether a weapon has struck an opponent, which connects to the fencer's weapon by a spool and human body wire. It employs lights and audio to notify a hit, with different coloured lights for on goal and off target hits. In https://gabletoppak.com/why-every-home-should-use-long-lasting-oil-storage-cartons-for-daily-cooking/