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