Ngokugcoba, ukuminyela, ukushukunyiswa, ukubuyiselwa nokudaya kwazo zonke izinhlobo zezikhumba
1. Umnyango we-Drum, i-valve ye-drainage kanye nezikulufo ezingaphakathi ezenziwe ngensimbi engama-316l, i-hoops hot galvanization.
2. Ibhokisi le-Gear Box elikhethekile lesigubhu, akukho msindo.
I-3. I-Auto / control control, phambili nokubuyela emuva isebenza, iKhabhinethi eyodwa kagesi.
4
I-5. I-Concrete noma yensimbi Drum Foundation.