 Nyora kupfuurira kweiyi ndima - Iyo 21 cm Kanone 39 K 39 yaive pfuti inorema yeCzech-yakagadzirwa yakashandiswa nemaGerman muHondo Yenyika Yechipiri. Maviri akavakwa maGerman asati apinda muCzechoslovakia munaKurume 1939 uye vakatora zvombo zvakasara ndokuzvichengeta mukugadzirwa kuti vazvishandise, pakupedzisira vachizvivakira zvombo makumi matanhatu. Vakaona chiito muOperation Barbarossa, kukombwa kweOdessa, kukombwa kweLeningrad nekukombwa kweSevastopol uye yakashandiswa pamabasa ekudzivirira mahombekombe. 