Ep 9: fonderie à la cire perdu

Of beeswax, clay, cellulose, metal waste (aluminum, brass and copper) and a small foundry. Nothing more to find an old practice of thousands of years. Beware the thermite ... To participate with the translation, here's the link http://www.youtube.com/timedtext_video?ref=share&v=bswZIemHGsU