Beehive coke ovens were called that because they were built in a beehive-like hemispherical shape, and then covered with earth. Cross section of a Hand-drawn Beehive Coke Oven. The Beehive Ovens were built in banks of ovens, called a battery, with a strong retaining wall in front, and then covered with earth.
One such technique is called âbumping.â Lock bumping, also referred to as key bumping is an attack technique using specially cut keys, known as bump keys, that can defeat conventional pin and tumbler door locks.
What is a bump stock? A bump stock is a device that can be legally purchased and installed onto semi-automatic firearms, such as AR-15, AK-47, and Saiga models, replacing the rifles' standard stocks. Unlike automatic firearms, which fire continuously while the trigger is pulled, semi-automatic weapons fire one round per trigger-pull.