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shubhamA Sand Blasting Machine uses compressed air to blow the abrasive media onto the surface. It works in many ways, but it is best for sandblasting metal and concrete surfaces. If you are a contractor, you can choose from a variety of models to suit your needs. If you need a smaller machine for a smaller job, a sandblasting machine will save you money. Its price will depend on the size of your project, but the sandblasting machine you choose will definitely be worth the investment.