Maɓallin Semicircular nau'in maɓalli ne, samansa na sama jirgi ne

Maɓallin Semicircular wani nau'i ne na maɓalli, samansa na sama jirgi ne, ƙasan ƙasa kuma baka ce mai madauwari, bangarorin biyu suna layi ɗaya, wanda akafi sani da maɓallin jinjirin jini.Wurin aiki na maɓallin madauwari mai madauwari yana da bangarori biyu, kuma ana watsa wutar lantarki ta gefe.Yana da tsaka tsaki mai kyau iri ɗaya kamar haɗin lebur.Maɓalli na iya murɗawa a kusa da tsakiyar lanƙwan baka na saman ƙasa na tsagi a cikin ramin shaft, don haka zai iya daidaita kai tsaye zuwa karkatar ƙasan maɓalli na cibiya.