A working machine (10): comprising a control handlebar (20) having portions (28, 30) of right and left grip to be grasped by the hands (Rh) of the worker； and an exit control member provided in one of said grip portions (28, 30) of said control handle (20), wherein said grip portion (28, 30) having said exit control member on it is inclined inwards at an angle of inclination whereby the torso of one of the hands (Rh) of the worker who grabs said grip portion (28, 30) is guided to look upward, characterized in that said machine (10) working is a brush cutter and said gripping portion (30) having said output control member therein opens out an inclination angle in the range of 10 degrees to 40 degrees, wherein said portion (30) of grip that has the exit control member therein is configured to cause a worker who grabs said grip portion (30) to direct his elbow (El) away from a corresponding side of his body when he pulls said handlebar (20) of control towards your body in such a way ra that the arm (Ar) of the worker corresponding to the hand (Hr) that grabs the grip portion (30) of the exit control member therein, show a movement similar to that of rowing in a water boat.Una máquina (10) de trabajo: que comprende un manillar (20) de control que tiene unas porciones (28, 30) de agarre derecha e izquierda para ser agarradas por las manos (Rh) del trabajador； y un miembro de control de salida provisto en una de dichas porciones (28, 30) de agarre de dicho 5 manillar (20) de control, en donde dicha porción (28, 30) de agarre que tiene dicho miembro de control de salida sobre la misma está inclinada hacia dentro un ángulo de inclinación mediante el cual el torso de una de las manos (Rh) del trabajador que agarra dicha porción (28, 30) de agarre está guiada para mirar hacia arriba, caracterizada porque dicha máquina (10) de trabajo es una desbrozadora y dicha porción (30) de agarre que tiene dicho miembro de control de salida en la misma se abre hacia fuera un ángulo de inc
