Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Muhtasari:The accumulation of organic impurities caused by decomposition products and the pollution of some other metal impurities[Soma maandishi yote]
Muhtasari:Mafuriko ya pipe ya chuma isiyo na mafuta yanajumuishwa mara nyingi kwa ajili ya kumwunga mkono viwanja vya upande, yaki[Soma maandishi yote]
