The L154 grinding, polishing and vacuuming machines are versatile tools for a wide range of surface preparation jobs. They can be used for cleaning, flattening and smoothing concrete surfaces; leveling out high spots and curled joints; removing coating, mastics, epoxies, urethane, adhesive residues, or paint; preparing for thin-film coatings; and polishing concrete and natural stone. The 220V voltage can meet requirements of most places. A low center of gravity makes it easy to operate and working stably. Different grinding heads can be optional according requirements. Grinding and vacuuming can work simultaneously with vacuum devices equipped.