Ndi chiyani chomwe chimatsimikizira kulimba kwamphamvu ndi kumeta ubweya wa chokokera?

Zodziwika makamaka ndi zinthu ndi kapangidwe, chitsulo chosapanga dzimbiri ndi champhamvu kuposa aluminiyamu ndi chitsulo;Ma rivets akhungu amtundu wa drum, ma rivets ojambulira mawaya ndi ma hippocampus rivets ndi ma riveti akhungu opangidwa ndi mphamvu zambiri.