Abrasive blasting, more commonly known as sand blasting, is the operation of forcibly propelling a stream of abrasive material against a surface under high pressure to smooth a rough surface, roughen a smooth surface, shape a surface or remove surface contaminants.
You can find a nice article on Sand blasting on Wikipedia with explanation of many details of various sand blasting methods.
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JettyRobot is a uniquely designed track driven robot. It is designed to inspect, clean and repair ducts & pipes, especially in cases when dismantling the system is strenuous or impossible.
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