Attributes . Deburring after drilling; fine adjustment of inner diameters etc. and inner surface polishing of curved surfaces and pipes etc.; weld bead removal; removal of rust caused by machinery maintenance, etc. for sputtering equipment; paint peeling, finishing work, and deburring after cutting, etc.; and hairline, etc. order finishing as a substitute for work done using a grinding wheel with a shaft or a carbide bar, such as aluminum casting parting line removal, and deburring, etc. . Names