21. They lived in the villages, where they taught farming techniques, and helped to start home canning industries . 22. Cultivated varieties support a large canning industry . 23. The catfish case also provoked an unexpected reaction further north, in the 125-year-old herring-canning industry of Maine. 24. Also in the mid-1870s, the Gerber family moved to Fremont and eventually created a major canning industry . 25. Valued at $ 100 million in 1943, Oakland's canning industry was its second-most-valuable war contribution after shipbuilding. 26. The California canning industry was thereby preserved. 27. The canning industry uses this label as a way to differentiate canned albacore from other types of tuna. 28. The canning industry offered new convenience. 29. After immigrating to the United States from China in 1871, Lew became a pioneer in the canning industry . 30. In 1945 it obtained a Wage Determination for the fish canning industry which improved wages and working conditions.
