Kev siv thiab kho cov fuses
1. Tshawb xyuas seb qhov ntsuas hluav taws xob ntawm lub fuse puas sib tw thiab seb qhov ntsuas tawg puas muaj peev xwm ntau dua li qhov xav tau luv luv tam sim no ntawm txoj kab;
2. Tshawb xyuas seb qhov sib txuas ntawm fuse puas zoo thiab seb lub yaj puas puas lawm;
3. Qhov kub ntawm qhov nruab nrab nyob ib ncig ntawm lub fuse yuav tsum ua raws li qhov ntsuas kub ntawm qhov nruab nrab nyob ib ncig ntawm cov khoom siv tiv thaiv kom tsis txhob ua yuam kev hauv cov yam ntxwv tiv thaiv;
4. Yog tias pom tias cov yaj tau corroded, puas los yog cua tshuab, cov yaj yuav tsum tau hloov. Cov yaj tshiab yuav tsum ua raws li cov lus qhia qub;
5. Thaum hloov cov yaj, nws yuav tsum tau ua thaum nws tsis muaj zog; 6. Yog tias muaj av ntawm lub fuse, nws yuav tsum tau muab tshem tawm raws sijhawm. Rau fuses nrog cov lus qhia ua haujlwm, lawv yuav tsum tau kuaj xyuas tsis tu ncua thiab txhua qhov txawv txav pom yuav tsum tau daws tam sim ntawd.