👉 A smocker is a device used to measure and control air pressure in an enclosed space. It consists of a small, hollow cylinder with a hole drilled through it, which allows air to enter and exit the cylinder. The pressure in the cylinder can be measured by comparing the height of the cylinder's top and bottom surfaces when they are both high above the ground. This measurement is used to determine the amount of air that has entered or exited the enclosed space. Smokers are commonly used for monitoring the
