The correct option is B
Metal casting
Explanation:
The cire-perdue technique, also known as the 'lost-wax' technique, is a metal casting method. In India, the technique has been studied as long ago as the Indus Valley Civilization. The famous bronze dancer from Mohenjodaro is a representation of this technique. Later, many images of gods , goddesses affiliated with all religions, were created in different parts of the country through this method. This is a method of producing alloys of metals by combining copper , zinc and tin, called bronze,to produce objects.