Abun rawar jiki wanda ya ƙunshi mariƙin kayan aiki (1) yana da ƙarshen tip yana da nau'ikan yankan guda biyu (5, 5') akan babban jirgin sama (C-C), abubuwan yankan (5, 5) '' jirgi na biyu gama gari (E-E). Yanke gefen yana samar da maƙasudi-kamar tsakiyar yankan gefen don shigar da aikin aikin kuma ta haka ne ya keɓe bit ɗin rawar soja. A kan arbor, ana samar da sarewa guda biyu (6, 6'), waɗanda suka shimfiɗa daga ƙarshen ƙarshen zuwa ƙarshen ƙasa. A kowane sashe da ke kusa da arbor, sarewa suna cikin diametrically a gaban juna a cikin jirgin saman bututun, kuma jirgin na bututun yana cikin jirgin ƙasa na gama gari (F-F) na ƙasashen biyu a bangarorin biyu na bututu. Tsayawa a 90 °, arbor yana da matsakaicin tsayi a cikin wannan jirgin sama. Jirgin sama na biyu (E-E) na tsakiyar yankan gefen yana karkata ne a kusurwar kusan 90 zuwa babban madaidaicin shugabanci (F-F) na jirgin ƙasa ko ƙarshen ƙarshen shank.

A aikin hakar siminti ko makamantansu, ana iya samun saukin sauyin yanayin hakowa kwatsam, da daidaita aikin hakowa, ko da a lokacin da ake samar da manyan na'urorin hako ma'adinai, ba a rage ingancin hakowa.

Yankin yankan da aka shirya sosai a cikin siffa mai radial, yana da aƙalla babban yanki na yankan gefuna guda biyu, kuma aƙalla ƙullun yankan taimako guda biyu da aka zubar tsakanin babban ɓangaren yankan da babban ɓangaren yankan a cikin kewayawa Babban ɓangaren yankan yana da. babban yanki mai yankewa a matsayin yanki na yanki, kuma ƙarshen ciki na babban yanki yana tsaye a tsakiyar juyawa, kuma ƙarshen yana samuwa a gefen waje na wurin jujjuyawar yanki na yanki.