Kev ceev faj rau kev siv cov ladders insulated:

1. Ua ntej siv, nws yuav tsum nruj me ntsis raws li tus qauv GB17620-1998. Ua ntej siv, tus neeg teb xov tooj yuav tsum ua tib zoo xyuas lub cev tseem ceeb thiab qhov chaw ntawm cov ntaiv insulating rau qhov tsis xws luag lossis tawg.

2. Tiv thaiv kom tsis txhob ya raws thiab kev puas tsuaj, thiaj li tsis cuam tshuam rau qib rwb thaiv tsev. Txhawm rau kom ntseeg tau tias muaj kev nyab xeeb thiab kev ntseeg siab ntawm cov khoom lag luam, cov txheej txheem rwb thaiv tsev yuav tsum tau sim txhua xyoo.

3. Ua raws li cov txheej txheem kev nyab xeeb, ua kom muaj hmoo, thiab ua kom muaj kev nyab xeeb ntawm tus kheej