Kukuya CylindricalGiya reSpurInoshandiswa MuMichina Yekuchera Yekurima Inoderedza Mafuta Michina
Makambani gumi epamusoro muChina, Yakashongedzerwa nevashandi 1200, yakawana zvigadzirwa 31 uye mapatenti mapfumbamwe. Midziyo yekugadzira yepamusoro, michina yekupisa, michina yekuongorora.