A portable sand blasting machine is perfect for small areas. The gun has two hoses, one connected to the handle and the other to the lower side of the barrel. The air from the gun produces suction which removes the loose sand. The sand can be collected and placed back in the sand reservoir. A roller conveyor sand blasting machine is a great option for larger areas. The process of sandblasting uses pressurized air and fine sand to remove corrosion and oil, and it can also be used for surface preparation before painting and coating. Many industries utilize sand blasting to remove rust, tarnish, and paint from a variety of objects. The process is efficient and inexpensive, and it doesn't require complicated machinery or equipment. It's even good for restoring the grade of a product. The sand blasting machine includes two hoses, one connected to the bottom of the handle and the other to the barrel. The hoses have a repository to catch the loose sand, and the air from the sand blasting gun produces a suction. This helps in collecting the loose sand and reusing it. The machine is also equipped with a dust collector, so the sand cannot enter the working environment.