Ngwa ụlọ nyocha 1.ike ike 2.Electronic eluigwe na ala ule igwe 3.MAS 2000 metallographic onyonyo onyonyo 4.Impact igwe nyocha 5.CDG 2000E micropro-cessor akara fluorescence magnaflux ngwá ọrụ nyocha 6.YJN2CH elu tensile bolt torque tester