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Install a scale so students can practice math by weighing vegetables, calculating selling price for school farm markets, maybe try two different organic fertilization methods on same vegetables planted same way and weigh the differences, etc.

Heart-shaped Tsavorite weighing 8.7 cts which is priced at $2474 per carat. The difficulties related to the scarcity and procurement of Tsavorite have limited its viability on a commercial scale and it has never been available to mass marketers except in small sizes. Tsavorites are mainly found in Tanzania and Kenya where water for mining is seasonal, roads are in poor repair, fuel costs are high, and access to mining equipment and spare parts is limited.

from Fotolog

Umatech Weighing Scales in Tirupur - umatechscalestir

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