<prompt> Bhala okuqhubekayo kwalesi sigaba - Ubunjiniyela bempi bamaRoma babunazo zombili izinhlobo ezivamile nezingavamile, eyokuqala yayiyingxenye esebenzayo yenqubo ejwayelekile yezempi, kanti eyokugcina yayinezici ezingavamile noma eziphikisayo. Ubunjiniyela bezempi obuhleliwe bahlanganisa ukwakhiwa kwamakamu aqinile, ukwakhiwa kwemigwaqo, nokwakhiwa kwezinjini zokuvimbezela. Ulwazi nokuhlangenwe nakho okutholwe ngobunjiniyela obunjalo obuvamile kwazivumela ukuba kusetshenziswe kunoma yimiphi imisebenzi yobunjiniyela engavamile eyayifunwa ibutho, njengama-circumvallations akhiwe e-Alesia.  <response>: nomgwaqo onodaka owakhiwa eMasada. 