ANSI B71。本标准中的3-2014（R2020）适用于（a）后走式电动除雪器，（b）骑式电动除雪器，（c）带除雪器附件的草坪拖拉机，（d）带除雪器附件的草坪和花园拖拉机，以及（e）带除雪器附件的杠杆转向机。这些规范不适用于手持式抛雪机，也不适用于机场、公路和农业类型的除雪机器和设备。

ANSI B71.3-2014 (R2020) in this standard apply to (a) walk-behind power snow throwers, (b) ride-on power snow throwers, (c) lawn ride-on tractors with snow thrower attachments, (d) lawn and garden tractors with snow thrower attachments, and (e) lever-steer ride-on machines with snow thrower attachments. These specifications are not intended to apply to hand-held snow throwers nor to airport, highway, and agricultural types of snow removal machines and equipment.