Nws tsuas yog tso siab rau txoj hauv kev ntawm kev soj ntsuam cov yam ntxwv zoo li txhawm rau txheeb xyuas lub khob ntawv, thiab lub khob ntawv zoo feem ntau yuav raug kuaj raws li hauv qab no:
Kev xeem ua haujlwm: Ntsuas seb lub khob ntawv puas tuaj yeem tuav tau cov kua, xws li dej
Kev ntsuas kev ua tau zoo: Ntsuas seb daim ntawv ntawm lub khob yog tuab txaus thiab tsis yooj yim rau deform
Kev ntsuas siab: Lub khob ntim kua dej yuav tsis tawg
Recoverability test: Seb lub khob ntawv tuaj yeem rov qab los rau nws daim ntawv qub tom qab sau cov kua thiab nchuav tawm
Kev ntsuas lub zog: Seb lub khob ntawv yuav muag thiab puas tom qab tuav cov kua rau lub sijhawm