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A sand blasting machine uses compressed air to spray fine sand at high pressure. The abrasive media is filled at the top of the machine while it is not in use. When the compressed air is turned on, a mushroom valve closes to prevent a build-up of abrasive media on the cylinder. Moreover, a sand blasting machine is very efficient in the finishing of any surface.... (more)
https://www.shotblastingmachines.in/sand-blasting-machine