the gymnastic moves of an acrobat

Any gymnastics or acrobatic skill executed on the performing surface.

Any gymnastic or acrobatic skill executed on the performing surface.

The end-over-end rotation of an unstable projectile in flight. Sometimes referred to as Bullet Tipping or Keyholing.

(1) The process for removing scale from forgings in a rotating container by means of impact with each other and abrasive particles and small bits of metal. (2) A process for removing scale and roughness from forgings by impact with each other, together with abrasive material in a rotating container.

Bulk processing in barrels, either in the presence or absence of abrasives or burnishing shot, for the purpose of improving the surface finish. Vapour blasting : See wet blasting.

moving in surges and billows and rolls; "billowing smoke from burning houses"; "the rolling fog"; "the rolling sea"; "the tumbling water of the rapids"

pitching headlong with a rolling or twisting movement; "a violent tumbling fall"

Forward or backward rolls, inverted skills and flips.

A process in which tanned hides are placed in drums with heat and water and tumbled to a desired softness. Also call “milling”.

Process of softening leather for added comfort.

The mechanical process that softens, removes water and enhances the grain of the hides.

Process used in some paint storehouses whereby containers are repeatedly up-ended to redisperse pigments which may have settled or caked during storage of the paint.

A form of cellular phone fraud, in which an individual changes the electronic serial number on the cell phone s/he is using. This disguises the phone (as though it were from an outside area), making the service is free for him/her and more expensive for whoever is actually paying for the phone calls.

Cleaning castings by mtating them in a container in the presence of cleaning materials.

Flying a cloth from the bottom as well as the top when there is insufficient height to fly it in the normal way. See TRIPPING.

See Molecular tumbling.

A process used to cut balls and smooth them. It also is used to make a ball shiny.

a. & vb. n. from Tumble, v.