Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Muhtasari:MadridNi vipi vitu vya majaribio vya mabadiliko ya kiganjani,Kama mabadiliko ya mafuta yanachomwa na kifuniko cha mabadi[Soma maandishi yote]
Muhtasari:When sampling in bulk gasoline barrels, samples shall be selected according to % of the number of gasoline barrels, but [Soma maandishi yote]