本标准提供了一种统一的方法，用于警告潜在危险的所有者、旁观者和操作员 配备农业前端的农业拖拉机在操作和维修过程中遇到的危险 装载机。

This Standard provides a uniform method of warning owners, bystanders, and operators of the potential hazards encountered in the operation and servicing of agricultural tractors equipped with agricultural front-end loaders.