<prompt> Pedzisa mutsara unotevera: Rudzi urwu rwekutenderera, urwo vaGiriki vainzi ἀποτειχισμός uye περιτειχισμός, rwakashandiswa nevaPeloponnesians pakukombwa kwePlataea Thucyd. ii.78, iii.20-23. Mitsetse yavo yaisanganisira masvingo maviri sezviri pachena emashanga ari kure namamita 16, ayo akapoteredza guta racho muchimiro chedenderedzwa. Pakati pemasvingo acho paiva nemakomba evairwisa. Masvingo aiva nenhare ἐπάλξεις, uye panhare dzose gumi pakanga pane shongwe, ichizadza nokudzika kwayo nzvimbo yose pakati pemasvingo. Paiva nomugwagwa waishandiswa nevakanga vakombwa waipfuura nepakati peshongwe imwe neimwe. Kunze kworusvingo rumwe norumwe kwakanga kune gomba τάφρος. Rondedzero iyi yaizodai yakapindura nenzira chaiyo nokuda kworudzi rweRoma rwekupoteredza, iyo mimwe yemienzaniso yakanakisisa iri iyo yeCarthage muTunisia yemazuva ano naScipio Appian, Punic. 119, c., iyo yeNumantia muSpain yemazuva ano naScipio Appian, Hispan. 90, uye kuti  <response>: Alesia muFrance yemazuva ano naKesari Bell. Gall. vii.72, 73. Shongwe dzaiva mumitsetse yakadaro dzakanga dzakafanana nedzakashandiswa pakurwisa nzvimbo dzakasimbiswa, asi dzakanga dzisingakwiriri, uye chokwadika dzakanga dzisingafambi. Lipsius, de Milit. Rom. v.5, muOper. iii. mapeji 156, 157; Poliorc. ii.1, muOper. iii.283. 