Gulu lolekanitsa mpweya
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Gulu Loyeserera (Asu)
Gulu lopatukana la mpweya (Asu) ndi chida chomwe chimagwiritsa ntchito mpweya ngati chakudya, chopondereza ndi kuziziritsa kwa mpweya wabwino, nayitrogeni, kapena zinthu zina zamadzimadzi kuchokera kudera limayenda. Kutengera ndi zosowa za ogwiritsa ntchito, zopangidwa za Asu zitha kukhala chimodzi (mwachitsanzo, nayitrogeni) kapena angapo (mwachitsanzo, nayitrogeni, oxygen, Argon). Dongosolo limatha kutulutsa zinthu zamadzimadzi kapena gasi kuti mukwaniritse zofunika zamakasitomala.