Turntable

[BrASiLiAnT13]

im doin a project on turntable`z n i really need to kno the process n how it works ? PLEEZ HELP

[kazza12345]

you might be better off in the "how it works" section

[gary baldy]

you might also be better off if your question made sense.
i am, however, feeling generous and i'm guessing this is the sort of thing you are looking for:

http://en.wikipedia.org/wiki/Scratching