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.
The keyway is what prevents you from even beginning to push the wrong key into the wrong slot. If you have the right keyway but the wrong key, you can easily slide the key into the lock Â¬â but it wonât turn. See the difference? Wrong keyway: square peg, round hole. Right keyway, wrong key: right hotel, wrong room.