Ruifbier Laboratory iri kuita kumwe kuyedza nezve bepa rakabatana tepi yekubatanidza simba nekomboni zvinoenderana nenzira yeASTM strand.
Takaona kuti kunamatira uye kusungirirwa kwemazinga emapepa emitsetse ane brushed surface ari nani zvikuru kupfuura akajairwa.
Nguva yekutumira: Zvita-22-2022