What is the purpose of a bore evacuator? A bore evacuator or fume extractor is a device which removes lingering gases and airborne residues from the barrel of an armored fighting vehicle's gun after firing, particularly in tanks and self-propelled guns. What is the bump on the barrel of an Abrams tank? What's that bump in the barrel of an Abrams tank 120 mm gun? It's a bore evacuator. Some people call it a fume extractor. It works to pull harmful fumes from the gun barrel after firing, keeping the poisonous gasses from entering the crew cabin when the breech...

Do jaybirds have noise Cancelling? They fit securely and comfortably, but they also created a soundproof vacuum in my ear. The Vistas aren't technically noise-canceling buds, but they don't let in ambient noise at all. They silence so well that you should only wear one bud if you like to run outside. What company owns jaybird? Logitech Logitech Europe SA Jaybird/Parent organizations Logitech, maker of popular computer accessories and Bluetooth speakers, has acquired Salt Lake City-based Jaybird for $50 million in cash, with a potential earn-out of an additional $45 million if growth targets are met. The two companies announced...

Are old pearls worth anything? The sad reality is that old, second-hand cultured pearls aren't worth a lot. There's no obvious place to sell them and you won't get much from a jeweller or by putting them on eBay. Our advice is to keep them as a memento or give them to someone who'll appreciate them. How do you know if a baroque pearl is real? Rub the pearls against your front teeth. Rub them against your teeth with a side-to-side motion. A real pearl will usually have a slightly rough or gritty texture from tiny scale-like imperfections in its...

Should fine short hair be layered? If you have naturally straight fine hair, you should opt for short-to-medium layered hairstyles for fine hair to boost the volume and texture of your delicate strands. The feminine bowl shape and razored ends give the style a windblown, rockstar finish. Should fine hair be layered? If you have fine strands, this can help a little or hurt a lot, depending on the amount you ask for. Too many layers will make your hair appear even more lacking in body and volume. Instead, go with volume-enhancing styles like blunt ends, full bangs, and short...