Phunzirani kukula kwa makina opaka mafuta moyenera kuti chonyamula chilichonse chikhale ndi mafuta olondola, odula phokoso, nthawi yocheperako, komanso mtengo wake ndi NREL-zowongolera ...
Mafuta ogwira mtima amachititsa kuti asambidwe a konkriti. Makina olemera awa ali ndi zigawo zambiri zoyenda - ogudubuza, ma pivot, maunyolo, gearb ...