“…Inappropriate human-machine interface could be one possible reason for those accidents (Godthelp et al, 1993), Hella et al (1988) state that most forklift truck accidents are due to insufficient visibility for the driver. However, little visibility research has been performed on powered industrial vehicles as compared to automobiles: most forklift truck studies have emphasized work-related injuries and vibration issues rather than design factors influencing visibility.…”