Chitubu chakazara bore mhando ine lever yekuchengetedza vharafu
A28H-10C, A28Y-10P, A28Y-16P, A28Y-25P, A28Y- 40P
A28Y-16C, A28Y-16R, A28Y-25R, A28Y-40R
Mhando yeA28H inoshandiswa kumidziyo uye pombi yemhepo, N2,H2yakavhenganiswa gasi mhute etc. zvepakati chii kushanda tembiricha iri pasi pe200 ℃.A28Y-P/10R8mhando dzinoshandiswa nokuda kwemidziyo uye pombi yemhando ine corrode medium izvo tembiricha yekushanda isingasviki 200 ℃.Tora kuti uwedzere kumanikidza kudzivirira michina.