Mphero ya nyundo ya ku Hongyang ili ndi zigawo ziwiri zazikulu: chodyetsa mpweya wosinthasintha ndi chophwanya madzi. Chodyetsa mpweya wosinthasintha chimakwaniritsa kudyetsa kofanana mwa kuwongolera liwiro la chakudya, kuonetsetsa kuti chophwanya chikugwira ntchito mokwanira nthawi zonse kuti chigwire bwino ntchito. Makina onsewa ali ndi zigawo 15, chilichonse chopangidwa ndi zipangizo zapamwamba, chokhala ndi kapangidwe ka sayansi komanso ntchito yokhazikika.