Ụlọ ọrụ mmepụta ihe dị na Keliyuan nwere obosara nke mita 6,000, yana ngụkọta nke ndị injinia mekaniki, sekit na ngwanrọ 15. O nwere ikike nhazi sekit na nhazi nkeonwe, ma nwee ụlọ ọrụ mmepụta ebu nke ya. Ike mmepụta kwa afọ nke ngwaahịa a bụ nde set abụọ. Mepụta ma ọ dịkarịa ala ngwaahịa ọhụrụ 20 kwa afọ.
Keliyuan nwere ahịrị njikọta asatọ na ngwa na ngwa dị iche iche, dịka:
- 1) Igwe ịkpụzi ihe ntụtụ
- 2) Ngwa nha onyonyo (gụnyere kọmputa)
- 3) Igwe ịpị ihe
- 4) Igwe na-egwu ala
- 5) Igwe obibi akwụkwọ pad + akara mmiri akpaka
- 6) Ịkwanye Ọkụ eletrik
- 7) Igwe ịgbado ọkụ Ultrasonic
- 8) Etiti ịka nká
- 9) Igbe okpomọkụ dị elu
- 10) Sistemụ nnwale arụmọrụ ọkọnọ ike...........
