1, Poganizira kugwiritsa ntchito chilengedwe komanso kukwaniritsa zotsatira zake.General m'nyumba kuipitsa mpweya ndi 1) fumbi, kachilombo, mabakiteriya, nkhungu ndi nthata ndi allergens zina;(2) mpweya wosakhazikika wachilengedwe, monga formaldehyde, benzene, ammonia, etc.;(3) Kuwonongeka kwa radioactive chifukwa cha mpweya wa radon ndi mwana wake ...
Werengani zambiri