Qhov tsis zoo ntawm gpo3 cov ntaub ntawv rwb thaiv tsev tuaj yeem muab faib ua ob pawg.
Qeb 1: ua ke nrog qhov tsis zoo ntawm kev tsis sib haum xeeb. Yog hais tias lub plooj (porcelain) ntawm kev ncua kev kawm ntawv insulator yog tawg; Lub rwb thaiv tsev ntawm lub tshuab hluav taws xob teeb yog puas, crushed thiab tawg; Cov kab hluav taws xob yog muab los ntawm.
Thaum lub gpo3 laminate raug them thiab tso tawm tom qab lub zog sib zog yog tsim tawm, cov khoom ua haujlwm ua haujlwm yuav raug puas thiab damp.
Qhov thib ob yog qhov tsis xws luag, uas yog hais txog kev txo qis ntawm kev rwb thaiv tsev tag nrho ntawm cov khoom siv hluav taws xob, xws li lub cev muaj zog, transformer, lub tes tsho tsis muaj dej thiab lwm yam tsis xws luag. Moisture regain thiab embrittlement ntawm cov khoom siv raw cov ntaub ntawv.
Thaum ob qhov tsis xws luag no tshwm sim hauv gpo3 rwb thaiv tsev, nws cov yam ntxwv feem ntau yuav hloov. Tom qab ntawd peb tuaj yeem kuaj qhov tsis xws luag raws li qee qhov kev sim.
