取消并替换第一版（1972年）。规定了用于往复式内燃机速度调节和换向的手动装置的运动方向，特别考虑了用于船舶和轨道推进的发动机，无论操作员的位置是靠近发动机还是远离发动机。不包括用于控制液体和气体的阀门。

Cancels and replaces the first edition (1972). Specifies the direction of motion of hand-operated devices for speed regulation and reversing of reciprocating internal combustion engines, having particular regard to those engines for marine and rail propulsion - irrespective of whether the operator's position is near the engine or remote from it. Valves for the control of liquids and gases are excluded.