The answer is quite thoroughly contained already in paragraphs 1 and 2, but here will be worked out sometime in the future several other, less relevant reasons, and above everything documented by drawings and computer simulations.
Jibu ni kabisa kabisa tayari zenye katika aya ya 1 na 2, lakini hapa itakuwa kazi nje wakati mwingine katika siku zijazo mengine kadhaa Sababu, chini husika, na juu ya kila kitu kumbukumbu na michoro na uigizaji kwa komputa.