Ladder Maintenance And Repair

1. Ib puag ncig tsis zoo yuav txo qhov kev pab cuam lub neej ntawm tus ntaiv. Feem ntau hais lus, nws lub neej kev pabcuam yog 2 xyoos hauv tsev thiab 1 xyoos sab nraum zoov.

2. Yog hais tias cov khoom ntawm tus ntaiv yog khoov, tawg los yog lub connector tsis ua hauj lwm zoo, nco ntsoov hu rau lub chaw tsim tshuaj paus rau kev tu.

3. Yuav tsum ntxuav tus ntaiv kom tsis tu ncua kom tsis txhob muaj qee yam tshuaj corroding ntawm tus ntaiv. Txheeb xyuas qhov txuas tsis tu ncua thiab ntxiv cov roj lubricating yog tias tsim nyog.