1. Nws tuaj yeem siv los lim thiab ntxiv roj rau ntawm qhov chaw rau ntau hom roj -immersed transformers, roj-immersed tam sim no thiab voltage transformers thiab siab -voltage roj{{4} } tsawg dua Circuit Court breakers.
2. Nws tuaj yeem siv rau ntawm -site kub roj ncig ziab ntawm cov khoom siv saum toj no, tshwj xeeb tshaj yog rau ntawm -site kub roj ncig ziab ntawm cov roj-immersed tam sim no, voltage transformers thiab siab -voltage roj- tsawg dua Circuit Court breakers.
3. Nws tuaj yeem siv rau ntawm -qhov chaw nqus cov roj txhaj tshuaj thiab cov roj rov ua dua thiab cov khoom siv nqus cov roj kaw- cov khoom siv raus.
4. Nws kuj tseem tuaj yeem siv los rov tsim dua thiab ua kom huv cov roj hloov pauv me ntsis kom nws cov kev ua tau zoo raws li tus qauv tsim nyog roj.
5. Nws kuj tuaj yeem siv rau hauv cov chaw tsim hluav taws xob, chaw nres tsheb fais fab, tuam txhab hluav taws xob, kev lag luam substation, metallurgy, petrochemicals, machinery, tsheb thauj mus los, railways thiab lwm yam lag luam.
