A surface finishing process for die castings in which a batch of castings is placed in a rotating horizontal barrel or a vibratory hopper containing polishing media
A mechanical process to soften and enhance the grain of hides by tumbling for several hours in a rotating steel drum
moving in surges and billows and rolls; "billowing smoke from burning houses"; "the rolling fog"; "the rolling sea"; "the tumbling water of the rapids"
Any single person gymnastic skill containing hip over head rotation used in a cheer, dance, or for crowd appeal Can be done as an individual or as a group in unison
A process in which leather hides are massaged by being tumbled in a rotating steel drum, which softens the texture and enhances the grain Also called Milling