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Sandblasting.
Hi,i use a pressure blaster,before i start,i put a large blue tarp,half on the ground,the upper ends of the other half,i tie to 2 seperate trees (i live in the country) then when i run low on sand,i recycle the used sand by running it through a large funnel with a piece of screen stretched over it,to strain out rust or paint particles,i can USUALLY use the same sand 3 times.
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