Ngwa nso nke igwe kpo oku ugboro ugboro

1. ọgwụgwọ okpomọkụ: mpaghara ma ọ bụ n’ozuzu quenching, annealing, tempering na diathermy nke dị iche iche ọla;

2. Na-ekpo ọkụ na-akpụ: dum mpempe forging, ele mmadụ anya n’ihu forging, na-ekpo ọkụ na-ewe iwe, na-ekpo ọkụ mpịakọta;

3. Welding: brazing nke dị iche iche metal ngwaahịa, ịgbado ọkụ nke dị iche iche ngwá ọrụ agụba na ịhụ agụba, welding nke ígwè ọkpọkọ, ọla kọpa ọkpọkọ, ịgbado ọkụ nke otu na dissimilar ọla;

4. Metal smelting: (vacuum) agbaze, nkedo na mkpuchi evaporative nke ọla edo, ọlaọcha, ọla kọpa, ígwè, aluminom na ọla ndị ọzọ;

5. Ngwa ndị ọzọ nke igwe kpo oku dị elu: semiconductor single kristal ibu, okpomọkụ kwekọrọ, karama ọnụ okpomọkụ akara, ntacha ntacha akpụkpọ okpomọkụ akara, ntụ ntụ mkpuchi, metal implantation plastic, wdg.