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
The Oven of Akhnai and divisive community, and the issue of harming another person through words and actions. In the story, a new type of oven is brought before the Sanhedrin and the rabbis debate whether or not this oven is susceptible to ritual impurity. Rabbi Eliezer ben Hurcanus argues that the oven is ritually pure while the other rabbis, including the nasi Rabban Gamaliel, argue that the oven is impure. When none of Rabbi Eliezer's arguments convince his colleagues, he cries out, "If the halakha is in accordance with my opinion, this carob tree will prove it." At this point, the carob tree