Hlahisa: Liboto tsa potoloho tse hatisitsoeng tse feto-fetohang (PCBs) li fetotse indasteri ea lisebelisoa tsa elektroniki ka ho nolofalletsa meralo e kopaneng le e tenyetsehang. Ba fana ka melemo e mengata ho feta balekane ba bona ba thata, joalo ka taolo e phahameng ea mocheso, boima bo fokotsehileng le boholo, le ts'epo e ntlafalitsoeng. Leha ho le joalo, ha ...
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