Food industries not elsewhere classified, such as the manufacture of margarine, compound cooking fats and blended table or salad oils; starch and its products; baking powder; flavouring extracts and syrups; macaroni and similar products; yeast; condiments, mustard and vinegar; meat pies and food specialities; prepared feeds for animals and fowls; egg processing; spice grinding; coffee roasting; processing of tea leaves into black tea; edible salt refining; harvesting and storage of natural ice and the manufacture of ice, except dry ice. Dry ice manufacturing is classified in group 311 (Basic industrial chemicals, including fertilizers).