Show U US postal service ls Is worlds biggest business biggest business bustneS 3 af in the world Is american mall mail uncle sam carries on this vast job in post offices with employees revenue tor for the fiscal year that will end with june Is now estimated at the cost of carrying the nail mail will reach more than a billion pieces of mall mail were franked and that was lent to a loss of for uncle sam A fleet of mall mail trucks looks like another world record for your uncle philadelphia inquirer |