Chida chopangira mphero cha API 7-1 Casing Section
Mbiri ya malonda Chigayo cha gawo ndi mtundu wa chida chotsegulira zenera la chivundikiro chomwe chimaphatikiza ntchito zodula ndi kugaya chivundikiro. Chigayo cha gawo chimalowa mu chivundikirocho pamodzi ndi BHA, ndikudula kaye chivundikirocho pamalo osankhidwa. Chivundikirocho chitadulidwa kwathunthu, chidzachotsedwa mwachindunji pamalo awa. Chikafika pamlingo winawake, ntchito yotsegulira zenera la chivundikirocho imamalizidwa. Chigayo cha gawo chili ndi ubwino wa kapangidwe kosavuta, ntchito yosavuta kuti chikhale chogwira ntchito bwino kwambiri...