NEMA 17 steppers have usually more torque than the smaller variants, such as NEMA 14. NEMA 17 steppers are commonly used in 3D-printers. NEMA 17 steppers have a 1.7 x 1.7 inch faceplate. High precision ball screws are used in steppers for semiconductor manufacturing. Pieces that can slide forward promote far more easily than steppers or jumpers. Modern steppers are of hybrid design, having both permanent magnets and soft iron cores. "One drop", "Rockers", and "Steppers". In the roots context, it is generally referred to as a "steppers" rhythm. The song became an impromptu "anthem" for steppers and the dance. Because of this, precise positioning with steppers is simpler and cheaper than closed loop controls. In 1777, the Italian biologist Lazzaro Spallanzani named them Tardigrada, which means "slow steppers". In the movie, Izzy Daniels is in a group called the Hot Chili Steppers. Ari Up went on to be part of the New Age Steppers. The New Age Steppers is the debut studio album by The New Age Steppers. The third album, "Foundation Steppers", was released in 1982.