History of Zinc (from International Zinc Association, (http://www.iza.com/uses.html) Centuries before zinc was discovered in the metallic form, its ores were used for making brass and zinc compounds, its ores were used for healing wounds and sore eyes. It is believed that the Romans first made brass in the time of Augustus (20 B.C. - 14 A.D.). In the 13th century Marco Polo described the manufacture of zinc oxide in Persia. At Zawar, India, both zinc metal and zinc oxide were produced from the 12th to the 16th century. From India, zinc manufacturing moved to China in the 17th century where it developed as an industry to supply the needs of the brass industry. In 1743, the first European zinc smelter was established in Bristol in the United Kingdom. A major technological improvement was achieved in Germany which led to the erection of ...

With corporate headquarters in Savage, Minnesota, GreenMan Technologies, Inc., and their subsidiaries collect, process, and market scrap tires in whole, shredded, or granular form in the United States and Canada. Trading on the OTCBB as part of the Rubber and Plastics industry, GreenMan has a market capitalization of $7.41 million. Founded in 1992, the company markets their products via a direct sales force.

GreenMan Technologies collects and recycles millions of tires each year for many applications. The recycled and reprocessed tires find use as efficient alternative fuels in large industrial boilers. They also find use as a substitute for crushed stone in civil engineering applications such as roadbeds, landfill construction, and septic field construction. In addition, tires are recycled as crumb rubber for playground and sports surfaces, for rubberized asphalt, and for landscaping applications. This crumb rubber is also for public walkways, equestrian arenas, and for other molded rubber products.

The company

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