Huv tais ib txwm muaj feem ntau muaj daim ntawv qhia kev ntsuam xyuas. Txhawm rau kom ua raws li kev ua raws li cov khoom lag luam huv si ntawm kev ua lag luam, kev sim ua ntawv pov thawj los ntawm CMA (Tuam Tshoj Kev Ntsuam Xyuas Tebchaws Daim ntawv tshaj tawm no suav nrog:
Cov Lus Qhia Yooj Yim: Hnub Xeem Ntawv Ceeb Toom, Npe Npe thiab chaw nyob thiab cov lus qhia, thiab lwm yam kev ntsuas ntawm daim ntawv tshaj tawm.
Cov khoom siv sib xyaw: Kev Ntsuam Xyuas nruj ntawm cov khoom siv raw ntawm cov khoom siv huv si kom ntseeg tau tias tsis muaj cov hlau ua kom zoo nkauj tshaj tus qauv kev noj qab haus huv thiab kev nyab xeeb ntawm cov neeg siv.
Kev kuaj sim ntev: los ntawm kev simulating lub sijhawm ntev siv, lub zog compressive, thiab lwm yam ntawm lub huv tais no tau ntsuas kom ntseeg tau tias lub durability ntawm cov khoom. Kev ntsuas dej txuag dej-txuag: Siv cov dej ntws dhau los ntsuas cov dej ua haujlwm huv si, txhawb nqa cov khoom lag luam huv huv, thiab pab ib lub chaw tiv thaiv ib puag ncig.
Kev kuaj ntse heev, xws li kev tswj hwm kev nyab xeeb heev, kev ntsuas kub tas li yog nqa tawm kom ntseeg tau tias txhua tus haujlwm ntse yog qhov tseeb thiab raug.
Kev ntsuam xyuas ib puag ncig kev ua haujlwm: sim ib puag ncig kev ua haujlwm ntawm cov khoom lag luam huv los ntawm kev tsim khoom thiab kev siv dej thaum lub sijhawm ua kom muaj zog lossis cov khoom siv tsis taus lossis cov khoom lag luam tom qab pov tseg.
