Kugwira ntchito, malongosoledwe ofatsa amalipira chidwi ndi kubwereketsa zachilengedwe komanso kugwiritsa ntchito mphamvu zatsopano. Tengani "zobiriwira" ngati ".
Magawo akuluakulu amatsogolera nitrate, zinc folphate, sodium metabishalphchite, ndi sodium Pereshute.









Ofesi yathu

