Parchment, or vegetable parchment, is a cellulose-based composite material that has been processed to give it additional properties such as non-stick, grease and moisture resistance. It is often used as a disposable nonstick, grease-resistant surface in baking. It should not be confused with wax pap

Construction materials are materials used in construction. Many naturally occurring substances, such as clay, rock, sand, wood, and even twigs and leaves, are used to construct buildings. In addition to naturally occurring materials, there are many man-made products in use, some more synthetic, some