GRH ziwembu ndipo pomaliza mphamvu wagawo, kumayenda pamtunda woyenera pozungulira galimoto, mapampu hayidiroliki zida / Motors zida, rekodi-chipika mavavu, yachigawo mavavu okwana, mavavu njila ndi dividers otaya zigawo .These ali makamaka ntchito pa machineries mafakitale, akuchitira zinthu, machineries zomangamanga, za ulimi ndi mafakitale m'minda.