Mau Oyambirira: M’dziko lamakono lopikisana, Mabodi Osindikizidwa Ozungulira (PCBs) amagwira ntchito yofunika kwambiri pakugwira ntchito ndi kachitidwe ka zida zamagetsi. Kupititsa patsogolo kudalirika, kulimba, ndi magwiridwe antchito a ma PCB, chithandizo chapadera chapamwamba chakhala chizolowezi chokhazikika. Capel, ndi ...
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