"Food service Sanitation." . . "Carriers North America." . . "Food adulteration and inspection North America." . . "North America." . . "Food adulteration and inspection." . . . . "Public health laws, International." . . . . . . . . . . . . . . "Monitoring food, beverage and sanitary services on common carriers : memorandum of understanding between the United States of America and Canada, signed at Ottawa and Washington August 20 and September 8, 1975" . "Monitoring food, beverage and sanitary services on common carriers : memorandum of understanding between the United States of America and Canada, signed at Ottawa and Washington August 20 and September 8, 1975"@en . . . . . . . . . . . . "United States. Department of State." . . "United States." . . "Carriers." . .