Txhawm rau kom tsis txhob raug teebmeem ntawm cov insulators ntawm txoj kab, yuav tsum tau ua ntej cov kev soj ntsuam cov kab insulator . Thaum kuaj lub sij hawm nruab hnub, koj ua tib zoo mloog lub suab ntawm tus insulator thiab txiav txim seb tus insulator txawv txav raws li lub suab. Yog tias koj tuaj yeem hnov lub suab tawm ntawm qhov tawm, nws txhais tau hais tias muaj qee qhov teeb meem thiab koj xav kom daws tau. Tsis tas li ntawd xwb, nyob rau hauv cov huab cua thiab cov huab cua, qhov tshwm sim ntawm cov pa phem ntawm kev kis kab mob kis tau zoo dua. Nyob rau lub sij hawm no, nws yog ib qhov tsim nyog los txhim kho lub chaw kawm, kom nkag siab txog qhov chaw nyob ib puag ncig, thiab kom muaj kev lav phib xaub rau kev ntsuas hluav taws xob ntawm cov insulators . Nyob rau tib lub sijhawm, kev ua haujlwm yuav tsum ua haujlwm tsis tu ncua. Nyob rau hauv lub chav kawm ntawm txij nkawm, qhov zoo ntawm insulators yuav tsum tau soj ntsuam, thiab insulators zero-valued yuav tsum tau nrhiav thiab hloov nyob rau hauv lub sijhawm kom zoo kom ntseeg tau ntawm cov kev ntsuas ntawm insulators rau kis kab . Kev lag luam muaj qee txoj kev pab.