这些标准适用于轮式前端装载机和轮式推土机。 由于本推荐做法同时提出了作为ROPS全球标准的程序和标准，因此明确说明了以下几点，以帮助理解其基本原则、意图和应用。

These criteria apply to wheeled front-end loaders and wheeled dozers. Because this recommended practice presents both procedure and criteria that are intended for consideration as worldwide standards for ROPS, the following points are explicitly stated to aid in understanding its underlying principles, intention, and application.