 ALLUTER ike na-enye nke kacha mma mma obere metal na-abụghị ferrous metal zaa, dị iche iche nke alloy ihe zaa, seramiiki zaa, ntụ ntụ na granule zaa, isi na-agụnye ČR, edebata, sus, Si, Sn, C, ITO, NiCr, TiAl, SiAl , ČR Cu bonded, e wezụga, na-enye lekwasịrị metallization na o sie ọrụ. 