Mefuta e mengata e fapaneng ea likhetho tsa metallurgic - ho pompa li-vanes ka morao le ka pele (ka li-impellers tse koetsoeng) ho fokotsa ho potoloha hape ka har'a pompo, le ho thusa ho thibela tšilafalo ea tiiso - li-castings tse otlolohileng kapa tse semi-Francis (ho tloha ho li-vane tse 2 ho isa ho tse 8 ka boholo bo itseng) likhetho tse pharaletseng tsa hydraulic ka boholo bo le bong.