title: The daily work-load of the postal carrier.
mesh_terms: D000367:Age Factors; D001835:Body Weight; D002170:Canada; D004734:Energy Metabolism; D005260:Female; D006077:Government Agencies; D006801:Humans; D008124:Locomotion; D008297:Male; D012737:Sex Factors; D014481:United States; D014937:Work