Kwakatangira maPCB anochinjika (FPC) Nhoroondo yemabhodhi edunhu anochinjika inogona kurondwa kumashure kuma1960, apo NASA yakatanga tsvakiridzo yezvitundumuseremusere kutumira vanhu kumwedzi. Kuti ujairane nenzvimbo diki yespacecraft, tembiricha yemukati, humidity uye yakasimba vibration nharaunda, ...
Verenga zvimwe