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Air Classification In Food Industry

north american industry classification system (naics,providing food services at airports on a contractual arrangement (i.e., food service contractors)--are classified in industry 72231, food service contractors. 488111 air traffic control can this u.s. industry comprises establishments primarily engaged in providing air traffic control services to regulate the flow of air traffic..classification of products: classification of products in,industrial goods classification: industrial goods can be classified in terms of how they enter the production process and their relative costliness. (a) materials and parts – industrial products that enter the manufacturer’s product completely, including raw materials and manufactured materials and parts..what you need to know about cleanroom classifications,for lower classes of cleanrooms, iso class 9 through class 6, cleanliness is based on the amount of air changes that happen each hour. cleanrooms that have more stringent cleanliness requirements–classes 5 through 1–measure the flow of air through the room in meters per second..naics code 722330 – mobile food services - class codes,selling unprepared foods, such as vegetables, melons, and nuts or fruit from carts–are classified in industry naics 454390, other direct selling establishments; selling specialty snacks (e.g., ice cream, frozen yogurt, cookies, popcorn) or nonalcoholic beverages in nonmobile facilities for consumption on or near the premises–are classified in u.s. industry naics 722515, snack and.

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