Supermarket assortments tend to focus on a small group of core categories, such as cooking oil, pasta, soup, biscuits, spices and condiments, dry milk, canned foods and vegetables, processed meat, carbonated drinks and beer, toothpaste, soap and detergents. Merchandise is more or less arranged in logical order, as a result of copying supermarket displays from Europe and the advice of many expatriates involved in commercial activities within consumer product joint ventures.