A glazier, also known as a glass fitter, is a tradesperson who specializes in cutting, installing, and removing glass. They are responsible for the installation of windows, doors, skylights, and other glass structures. Glaziers must be knowledgeable in the use of tools such as drills, saws, and grinders to cut and shape glass. They must also be familiar with the different types of glass and their properties, as well as the various methods of installation. Glaziers must also be able to work safely and follow safety protocols when working with glass.