1910.212(a)(1) “防护的种类。操作区的险有操作点的危险，夹伤点，旋转部件，飞溅物体和火花等等。为了保护在操作区的操作人员和其他人员，必须使用一种或多种保护措施，比如栅栏，双手控制装置，电控安全装置，等。 1910.212(a)(1) “Types of guarding. One or more methods of
machine guarding shall be provided to protect the operator and other employees
in the machine area from hazards such as those created by point of operation,
ingoing nip points, rotating parts, flying chips and sparks. Examples of
guarding methods are-barrier guards, two-hand tripping devices, electronic safety
devices, etc.”安全设计:
钢制车床防护罩美国标准，
