Wani rawar soja ya ƙunshi mai riƙe kayan aiki (1) Samun ƙarshen ƙarshen abubuwan da ke faruwa biyu (5, 5 '), da yankan abubuwan da aka tsara (E-E). Edge na yankan siffofin da ke fitowa kamar yadda gefen yankan yankan don shiga cikin aikin da yadda kuma cibiyar rawar soja. A Arbor, guntu biyu flutees (6, 6 ') ana bayar da shi, wanda ya fice daga ƙarshen ƙarshen zuwa ƙarshen ƙarshen zuwa ƙarshen ƙasa. A kowane bangare tare da Arbor, Flutes suna fito da akwatunan da ke gaba da juna a cikin jirgin sama na bututu na gama gari (F-f) na filaye na gama gari a garesu na bututun. Maraɗa a 90 °, Arbor yana da ƙimar ƙasa a cikin wannan jirgin. Jirgin sama na biyu (E-E) na Tsakiyar Yankunan an daidaita shi a wani kusurwa na kusan 90 zuwa manyan tsayayyen jirgin sama (F-F) na jirgin sama ko ƙarshen ƙarshen ƙasa.

A cikin aikin hakowa don kankare ko makamancin haka, yana yiwuwa a rage canjin yanayin hako lokaci, koda lokacin samar da manyan kwakwalwan kwamfuta, karfin hakar ba a saukar da su ba.

Wani yanki mai yankan da aka shirya sosai a cikin siffar radial, da kuma aƙalla manyan ɓangaren yankan yanki, da ƙarshen ƙarshen ɓangaren ɓangare yana da babban gefenta a tsakiyar juyawa, da ƙarshen ƙarshen yana da ƙarshen ƙarshen gefen. rotation locus na yankan gefen.