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 When did sand art begin?

Answer Although an inventor has never been credited, sand art began somewhere around the 1920s in Petra, Jordan, where it was inspired by the multicolored sand and rocks found in the mountains.Source:The ... Read More »
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What Are the Differences Between Silica Sand & Medical Grade Sand?

Sand comes in many varieties and has a variety of uses. Silica sand and aluminum oxide crystals (called medical-grade sand) are two forms of sand that have industrial and commercial uses. According... Read More »
http://www.ehow.com/info_8598595_differences-sand-medical-grade-sand.html

Are there regulations for the type of sand you put in sand boxes for day care centers?

Each state has different regulations for playground equipment at day care facilities. States agree that playground equipment, including sandboxes, should be age appropriate, safe, clean and well-dr... Read More »
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What is the different between silica sand and play ground soft fall sand?

soft fall sand is filtered so that the particles are of a specific uniform size that is less dust and other materials
http://answers.yahoo.com/question/index?qid=20130424021834AAThqM7

How many yards of sand do you need to fill a sand box that is 10 ft wide x 10 ft long x 12 inches deep?


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