Cov khoom tseem ceeb ntawm cov khoom sib tsoo log yog abrasives, resins, wetting agents, thiab lwm yam. Lawv yog cov yam ntxwv ntawm finer particle loj, siab hardness, uniform thiab ntom sab hauv qauv, tsis tu ncua tsos, thiab leej loj. Vim lub elasticity ntawm cov resin sib tsoo log, lub siab generated ntawm lub steel pob thaum lub sij hawm sib tsoo txheej txheem yog me me. Raws li kev sib tsoo zoo sib xws, lub pob hlau ua tiav siv cov pob zeb sib tsoo tsis siv cov txheej txheem sib tsoo muaj qhov tseeb dua, zoo dua qhov zoo, txo qis kev vibration nqi, thiab cov nyhuv zoo dua tom qab cov kabmob sib sau ua ke. Tsis tas li ntawd, resin sib tsoo lub log muaj kev sib tsoo siab, thiab lawv cov kev ua tau zoo ntau dua li ob npaug ntawm cov hlau cam khwb cia. Txawm hais tias tus nqi ntawm cov pob zeb sib tsoo yog siab dua li ntawm cov cam khwb cia hlau disc, nws cov kev ua tau zoo yog siab, lub zog ntawm lub log sib tsoo yog siab, thiab nws cov nqi sib tw tseem qis dua li cov hlau cam khwb cia hlau sib tsoo. Nyob rau tib lub sijhawm, cov pob zeb sib tsoo lub log tshwj xeeb sib tsoo kua (roj) yog ib puag ncig tus phooj ywg, thiab qhov chaw ntawm cov txheej txheem steel pob yog yooj yim los ntxuav.