ANSI/OPEI B175。7-2019给出了便携式、手持式、杆装式修剪机（包括可伸缩装置）设计和施工的安全要求和验证措施，该修剪机配有一台整体式内燃机作为动力头，并使用驱动轴将动力传输至切割附件，切割附件由锯链、往复式刀片、，或最大外径为205毫米（8.1英寸）的单件圆锯片。规定了消除或减少因使用这些装置而产生的危险的方法，以及制造商提供的安全工作实践信息的类型。

ANSI/OPEI B175.7-2019 gives safety requirements and measures for their verification for the design and construction of portable, hand-held, pole-mounted pruners, including extendable and telescopic units, having an integral combustion engine as their power head and using a drive shaft to transmit power to a cutting attachment consisting of a saw chain, a reciprocating blade, or single-piece circular saw blade with a 205 mm (8.1 in) maximum outside diameter. Methods for the elimination or reduction of hazards arising from the use of these units and the type of information on safe working practices to be provided by the manufacturer are specified.