It may be turned by a pulley with a belt or a chain connecting it to a pulley on a second shaft. The supporting structure may be assembled with Bolts or rivets or by welding.

• 一根轴可由联结另一根轴的传动轮的皮带轮或链条轮来带动旋转;支撑结构的组装可用螺拴、铆钉或焊接。