This video demonstrates the process of annealing metal, which involves heating metal to soften it and make it easier to work with. The presenter explains different methods for determining when the metal has reached the correct annealing temperature, including using a sharpie marker, ivory soap, and observing the flame color. The video concludes with a demonstration of annealing a piece of copper using an acetylene air torch.
33337 8 лет назад 5:53