Txhawm rau kom tsis txhob muaj hluav taws xob poob lossis raug mob ntawm tus kheej, thov ua tib zoo saib ua ntej siv peb tus kws tshaj lij lub qhov (socket tester):
Ua ntej siv, thov xyuas lub tester kom zoo kom paub tseeb tias nws puas puas. Yog tias muaj kev puas tsuaj, thov nres siv tam sim ntawd thiab xa mus kho.
Txhawm rau xyuas seb tus tester puas yog, thov tso lub tester rau hauv lub qhov (socket) paub tseeb rau kev kuaj, thiab tom qab ntawd siv nws tom qab kuaj xyuas tias qhov kev xeem muaj tseeb.
Kev ntsuas qhov hloov pauv tuaj yeem siv tau ib txwm tsuas yog thaum cov xaim raug raug.
Thaum kuaj pom qhov hloov pauv, thov tua cov khoom siv ntawm cov kab hluav taws xob kom ntseeg tau tias lub zog tsis ua haujlwm yuav tsis ua rau muaj kev phom sij. Thaum kuaj hauv cov chaw pej xeem, qhov kev xeem yuav tsum tau pom zoo.
