- during remote control physical stress was on average 43 % above that found in manual driving - the increase depended mainly on the effort associated with getting on and off the trains; - physical stress varied according to the specific activities involved in the two types of control; - variations in temperature did not affect manual driving very much, but physical stress was increased by 15 % during the summer in when driving was by remote control; - the 2 p.m. - 10 p.m. shift was the most stressful when driving was by remote control.
— il telecomando implica un carico fisico superiore in media del 43$ a quello registrato con i comandi manuali; questo aumento dipende per lo più dagli sforzi collegati alle salite e alle discese dai convogli; — il carico fisico varia in funzione delle modalità specifiche di attività nei due tipi di comando; — le variazioni climatiche di temperatura non influiscono per nulla sulla guida manuale, mentre il carico fisico aumenta del 15$ con la guida tele comandata durante i periodi attivi;