定义了物料搬运用架空电气单轨的基本术语，并规定了安全规则，包括轨道、支撑结构、升降装置、手推车和负载支撑装置。不适用于手动或重力驱动的系统，或输送人员的系统。

Defines basic terms and specifies safety rules for overhead electrical monorails for materials handling, including the tracks, supporting structure, lifting and lowering devices, the trolleys and the load-supporting devices. Does not apply to systems driven by hand or by gravity, or to systems for conveying people.