1. Kongoletsa chilengedwe: kugwiritsa ntchito zotsalira za zinyalala za mafakitale ndi migodi popanga njerwa ndi njira yabwino yosinthira zinyalala kukhala chuma, kuonjezera phindu, kukongoletsa chilengedwe ndikusamalira mokwanira. Pogwiritsa ntchito zotsalira za zinyalala za mafakitale ndi migodi kupanga njerwa, zida izi zimatha kumeza matani 50000 a zinyalala zotsalira chaka chilichonse. Ikhoza kuchepetsa likulu la bwalo la slag ndi 250000-350000 yuan (kuphatikiza mtengo wogula nthaka), kuchepetsa kugwidwa kwa nthaka ndi zotsalira za zinyalala ndi 30 mu, ndikuwonjezera tirigu ndi 35000 Jin.

2. Kupulumutsa malo olimidwa: kugwiritsa ntchito zotsalira za zinyalala za mafakitale ndi migodi popanga njerwa kumatha kupulumutsa 25-40 mu chaka chilichonse. Kwa dziko lonse lapansi, kuchuluka kwa malo olimidwa opulumutsidwa kudzakhala kosawerengeka.

3. Kupulumutsa mphamvu: kugwiritsa ntchito zipangizozi popanga njerwa, njira yopangira ntchito yalowa m'malo mwa sintering ndi kuumba njira ku China kwa zaka zikwi zambiri, ndipo njira yovuta yowotcha ndi kuchiritsa imasiyidwa. Kuwerengeredwa pogwiritsa ntchito malasha a 0.1kg pa njerwa iliyonse yowotchedwa, matani 1600-2500 a malasha amatha kupulumutsidwa chaka chilichonse.

4. Chotsani kuwononga chilengedwe: gwiritsani ntchito chida ichi poumba njerwa popanda ng'anjo kapena chimneys.