Maximum frequency of lift acceptable to male industrial workers.
D000328:Adult; D000367:Age Factors; D001827:Body Height; D001835:Body Weight; D003463:Cues; D005221:Fatigue; D006801:Humans; D008297:Male; D008433:Mathematics; D009787:Occupational Medicine; D010465:Perception; D005082:Physical Exertion; D014894:Weights and Measures