Ainihin sarrafa kayan aiki "leakage"
Gudanar da samar da lafiya da wayewa ya haɗa da zubewar mai, zubar ruwa, zubar tururi, zubar hayaki, zubar toka, zubar da gawayi, zubar foda da zubewar iskar gas, abin da muke kira “gudu, fitarwa, diga da zubewa”. A yau, mun takaita s...
duba daki-daki