Tepi yosamva kutentha iyi imapangidwa kuchokera ku filimu ya PET(Polyethylene terephthalate) yokhala ndi zomatira za silicone zosagwira kutentha kwambiri.Ndibwino kuti zokutira zanu zisakhale zokwerera, ulusi, kapena paliponse pomwe simukufuna kuvala. Tepi iyi ndi muyezo wamakampani wopaka ufa, zokutira pakompyuta, plating, penti ndi anodizing.Kukana kwa asidi ndi alkali, kukana kwa dzimbiri, kukana kuthamanga kwambiri, palibe zotsalira za guluu.Palibe guluu wotsalira pambuyo kupanga.Ma board ozungulira osindikizidwa, zida zamagetsi, zopinga ndi ma capacitors zimakhazikika panthawi yopanga;zipangizo zapakhomo, makina, zamagetsi ndi mafakitale ena amafuna mkulu kutentha kutsitsi chitetezo utoto ndi kutentha kwambiri zomatira fixation.