Masonry oven and the fire won't burn well. Modern masonry ovens sometimes bear little resemblance to their forebears, and can have just a cast deck (similar to a pizza stone) inside a more conventional oven exterior. Such devices are primarily used in commercial settings, though tabletop models are available. Cob is the British name for what is essentially adobe (from Arabic, "al toba," meaning "the mud;" "cob" is the Anglo-Saxon word for "lump," and is also used to describe round loaves of bread, or small, compact horses). As the most common building material on the planet, earth, clay and "cob" construction have
Conservation and restoration of paintings stretcher. Canvas can also come in the form of canvas board. As with all parts of a painting, deterioration is inevitable. Re-lining or lining treatments was used to added support to the original canvas until it was determined that it created more damage. Strip-lining is now used instead. Strip-lining involves reinforcing tacking that has weakened. Tears in the canvas are repaired with adhesive or sewing. Ceramics vary widely in their construction, style, and use. There are three types of ceramic objects. They are earthenware, stoneware, and porcelain. Each of these types of ceramic objects are fired at different degrees and