Umsuka wama-PCB aguquguqukayo (FPC) Umlando wamabhodi esekethe aguquguqukayo ungalandelelwa emuva kuma-1960s, lapho i-NASA iqala ucwaningo ngemikhumbi-mkhathi ukuze ithumele abantu enyangeni. Ukuze ukwazi ukuzivumelanisa nesikhala esincane somkhumbi-mkhathi, izinga lokushisa langaphakathi, umswakama kanye nemvelo eqinile yokudlidliza,...
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