Ballet shoe standard women's ballet shoe had heels. Mid 18th century dancer Marie Camargo of the Paris Opéra Ballet was the first to wear a non-heeled shoe. After the French Revolution, heels were completely eliminated from standard ballet shoes, as they still are. Ballet shoe A ballet shoe, or ballet slipper, is a lightweight shoe designed specifically for ballet dancing. It may be made from soft leather, canvas, or satin, and has flexible, thin soles. Traditionally, women wear pink shoes and men wear white or black shoes. Tan colored slippers—which are unobtrusive and thus give the appearance of dancing barefoot—are worn in
Steam shovel dipper stick. When digging at a rock face, the operator simultaneously raises and extends the dipper stick to fill the bucket with material. When the bucket is full, the shovel is rotated to load a railway car or motor truck. The locking pin on the bucket flap is released and the load drops away. The operator lowers the dipper stick, the bucket mouth self-closes, the pin relocks automatically and the process repeats. Steam shovels usually had a three-man crew: engineer, fireman and ground man. There was much jockeying to do to move shovels: rails and timber blocks to move; cables