Me ka hoʻomohala wikiwiki ʻana o ka ʻoihana uila, ua lilo nā papa PCB i mea koʻikoʻi o nā lako uila. Inā i loko o nā mea kūʻai uila, uila uila, a i ʻole i ka lāʻau lapaʻau, ʻenehana a me nā mea ʻē aʻe, ʻo ka noi ʻana o nā PCB he mea nui loa. Nā papa PCB ...
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