The Portable Gas Detector (PGD) is a device that is used to detect gas. It is a small, sleek, and easy to use, and can be used anywhere. It can be used to detect gas, oil, or other types ofynamics. The PGD can be used in public areas, such as restaurants, stadiums, and other places where gas emissions are guaranteed to be noticed. The PGD will not work in some places where natural gas is used, such as fireplace smoke or cooking gas.