Kev tshuaj xyuas ib ntus thiab khaws cia ntawm Cov Taug Kev Sib Tw

* Ua ntej thiab tom qab txhua qhov kev siv, xyuas qhov kev ua haujlwm ntawm qhov kev hloov kho kom paub meej tias nws qhib thiab kaw kom zoo thiab seb qhov elasticity puas tsim nyog.
* Paub meej tias tsis muaj ib feem yog deformed los yog tawg.
* Txheeb xyuas qhov ua haujlwm ntawm qhov kev hloov kho kom paub meej tias nws puas tau qhib thiab kaw kom zoo thiab seb qhov elasticity puas tsim nyog.
* Yog hais tias lub pas nrig sib koom ua ke kaw qhov nyuaj rau qhib thiab kaw, thov drip lubricating roj ntawm lub khi pas nrig thiab cov rotating ib feem hauv qab khi pas nrig.
* Yog tias tus pas nrig ntub dej thaum siv, thov loosen cov hlua elastic sab hauv (nias lub khawm ib zaug), khawm tus pas nrig, thiab tos kom qhuav tag ua ntej khaws cia.