"Wet clay contains a large amount of water, a minimum of 25% water. When clay starts to dry, water evaporates from it. As this happens, the particles of clay are drawn closer together resulting in shrinkage. Many problems with clay are formed by uneven rates of drying, which create stresses in the clay."
F stop is frame shutter stop speed its good for capturing fast moving images like lightning or sports guys. the faster the f stop speed the less blurry the subject in the picture!!!
Answer: His experience working in a car body workshop gave him the skills to use metal as his medium. He was inspired by the art of Pablo Picasso and Julio Gonzalez.