Materiallarqarshiligi MexaHHK koxcaldir, MaTepHamlapHHHr acocHii MexaHHK xoccaapH eitmirana yapHHHT sacTHKIK (EF, sy), MvcmaxKkamauK (Gazz BH Fp o), MacmukiuK (5, Y), 2HepretuK (U, a) ammuxnueu (HB) xamoa sap6uti KoevuUKOKIUK KaGK COonU 6a cud@am KipcamKu4unavu TyOIVHEAAIH.