Masonry oven India, tandoors are traditional clay ovens, although these days modern electrically fired tandoors are available. The open-topped tandoor is a transitional design between the earth oven and the Roman-plan masonry oven. In the precolumbian Americas, similar ovens were often made of clay or adobe and are now referred to by the Spanish term "horno" (meaning "oven"). Horns are also traditional in the American Southwest. The traditional direct-fired masonry design is often called a "Roman" or "black" oven and dates in Western culture to at least the Roman Republic. It is known as a black oven because the fire generates soot
Oven probe to automatically shut the oven off when the food is completely cooked to the desired degree. Some ovens provide various aids to cleaning. "Continuous cleaning" ovens have the oven chamber coated with a catalytic surface that helps break down (oxidize) food splatters and spills over time. "Self-cleaning" ovens use pyrolytic decomposition (extreme heat) to oxidize dirt. Steam ovens may provide a wet-soak cycle to loosen dirt, allowing easier manual removal. In the absence of any special methods, chemical "oven cleaners" are sometimes used or just scrubbing. Outside the culinary world, ovens are used for a number of purposes. Oven