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sandblast |
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sandblast, stream of sand or other abrasive particles driven by a jet of compressed air compressed air, air whose volume has been decreased by the application of pressure. Air is compressed by various devices, including the simple hand pump and the reciprocating, rotary, centrifugal, and axial-flow compressors . ..... Click the link for more information. or water or by centrifugal force against a surface to clean or abrade it. When centrifugal force is used, the abrasives are whirled in a rapidly rotating device before being directed against the surface. Powdered quartz, emery, chilled iron globules, and other hard granular substances are used as the abrasive material. The sandblast is used for cleaning castings in foundries; for preparing metal surfaces for painting, enameling, and galvanizing; and for cleaning the stonework of buildings. Frosted designs are worked on glass by placing a stencil or suitable pattern over the surface so that the blast affects only the uncovered parts. sandblast a jet of sand or grit blown from a nozzle under air, water, or steam pressure How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Bryce built an impressive sandblaster as a 4-H project, and the boys have orders to build two loader buckets for other farmers. When mixed in with the load, enough of the glass shards can act like a sandblaster. On the softer side of life, 17-year-old Ashley Harkins from the Lancaster Sandblaster 4-H is hoping to earn at least $1,500 for her three 11-week-old California rabbits. |
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