STINASteel Tube Institute of North America
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International Resource News-September 27, 2011--The Steel Tube Institute of North America offers STINA Certified Producer mark to six companies(C)1994-2011 ENPublishing - http://www.
United States-based The Steel Tube Institute of North America has announced that six companies that produce steel tubular products have passed its audit process and earned the right to display the STINA Certified Producer mark on their products.
I have spent many happy days--and nights--with hospitable shepherds in their stinas (sheepfolds) watching the thrice-daily milking in the strunga (the enclosure built for that purpose) and finally watched the cheese being made using centuries-old methods.