✔ Sistemụ njikwa hydraulic na pneumatic nha nha na njikwa mmiri.
✔ Petrochemical, nchedo gburugburu ebe obibi, mkpakọ ikuku, locomotive braking system.
✔ Light ụlọ ọrụ, ígwè, metallurgy, ụlọ automation, mgbe nile nrụgide mmiri na-enye usoro mmepụta ihe nchọpụta na njikwa, laabu mgbali.nkwenye