Cov thawv ntawv khoom plig yog qhov kev xaiv zoo tshaj plaws rau kev ntim khoom plig vim lawv lub teeb yuag, yooj yim ntawm kev ua, tus nqi qis, thiab ib puag ncig tus phooj ywg. Lawv tuaj yeem raug kho nrog ntau yam xim, textures, thiab cov qauv, muab kev zoo nkauj zoo nkauj thiab kos duab. Tsis tas li ntawd, cov thawv ntawv khoom plig muab kev tiv thaiv zoo heev, tiv thaiv kev puas tsuaj thaum thauj thiab khaws cia.
Txawm li cas los xij, cov thawv ntawv khoom plig tsis tshua muaj zog thiab muaj kev cuam tshuam rau cov dej noo thiab puas, ua rau deformation thiab tawg. Yog li ntawd, thaum xaiv lub thawv khoom plig, nws yog ib qho tseem ceeb uas yuav tsum xav txog lawv cov dej tsis zoo, dej noo- pov thawj, thiab siab- cov khoom tiv thaiv kom muaj kev nyab xeeb kev thauj mus los thiab khaws cov khoom.