Many different appliances, from dryers to vacuum cleaners, use electricity as an energy source. These electrical devices transform the electrical current they receive through a wall outlet and convert it into another form of energy. For example, your toaster converts

Ceramic catalysts made from a cordierite base are usually installed between the engine and the exhaust pipe. The main metal component of the honeycomb structure is, for example, oxides. The carrier also contains rare metal oxides such as La2O3. These