Inproduction, fatory imapereka chidwi pakupanga chilengedwe komanso kugwiritsa ntchito mphamvu zatsopano.Tengani "green earth" ngati chitsogozo chopanga.
Zopangira zazikulu ndi lead nitrate, zinc sulphate, sodium metabisulphite, ndi sodium sulphate.
Ofesi Yathu
