Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Muhtasari:For the leakage that has already occurred, find the leakage point first, which can not be ignored. Kwa nafasi yenye pand[Soma maandishi yote]
Muhtasari:Utumiaji wa umeme unahitaji kuwa upinzani wa wimbo wa kudhibiti vikundi vya usalama utakuwa " Ω Upinzani kwa ujuml[Soma maandishi yote]