Munguva pfupi yapfuura, mavharuvhu eDN1200 neDN1000 anokwira stem hard seal gate akatumirwa kuRussia akagamuchirwa zvinobudirira. Mavharuvhu aya egedhi akapasa bvunzo yekumanikidzwa uye kuongororwa kwemhando. Kubva pakasainwa chirongwa ichi, kambani iyi yave ichiita basa rekufambira mberi kwechigadzirwa, kurongedza chigadzirwa uye kugadzirira data. Kugamuchirwa kwekupedzisira kwapera zvinobudirira.