Mashiinka birta ah ee birta ah waa naqshad cusub, iyada oo loo marayo tikniyoolajiyadda howsha wanaagsan iyo alaabada ceeriin ee tayo sare leh, waxqabadka birta birta birta ah illaa heer sare ah. Waxaan ku qumman nahay faahfaahin kasta oo ka mid ah bamka birta ee wasakhda leh , dammaanad qaadaya heerka tayada, si loo keeno khibradda wax soo saarka ee kaamilka ah. bambog . bambog Ruirong Guangddong bambog