Thaum siv cov koob txhaj tshuaj kho mob, xaiv cov qauv thiab cov kev qhia tshwj xeeb uas ua tau raws li koj xav tau, ua haujlwm raws li tus kws kho mob cov lus txib, thiab xyuas cov koob txhaj tshuaj kom zoo ua ntej siv, tshwj xeeb tshaj yog rau kev puas tsuaj lossis deformation ntawm rab koob. Cov koob txhaj tshuaj kho mob yuav tsum tau hloov tsis tu ncua tom qab siv, thiab cov koob txhaj tshuaj pov tseg yuav tsum muab pov tseg kom nruj raws li cov kev cai cuam tshuam rau cov pov tseg kho mob.
