Tsis muaj kev pheej hmoo ntawm kev tawg tsis ua haujlwm; intrinsically ruaj ntseg cov cuab yeej muaj kev nyab xeeb kiag li, txawm tias puas.
“Intrinsic kev nyab xeeb” hais txog cov cuab yeej muaj peev xwm kom nyob nyab xeeb thaum muaj kev ua haujlwm tsis zoo, suav nrog luv luv circuits, overheating, thiab ntau dua, tsis muaj kev cuam tshuam sab nraud. Txawm hais tias qhov teeb meem yog sab hauv lossis sab nraud, nws yuav tsis ua kom muaj hluav taws kub los yog tawg. Qhov kev nyab xeeb hauv qhov no yog qhov ua rau intrinsically nyab xeeb cov khoom siv txhim khu kev qha xaiv nyob rau hauv ib puag ncig txaus ntshai.