PCB hakowa da injin niƙa kayan aiki ne masu mahimmanci don ƙirƙira kwatancen da'ira (PCBs), musamman don ƙarami da matsakaicin samarwa.Don tabbatar da daidaito, kwanciyar hankali, da dorewa, waɗannan injunan sun dogara da ingantattun abubuwa masu inganci, gami da tsarin...
Kara karantawa