Ọ bụ PLC na-achịkwa ya, na-arụ ọrụ akpaka, nke a na-ejikarị na usoro nkewa mmiri siri ike na mmanụ ala, kemịkalụ, akwa akwa, ọla, nri, ịsacha coal, nnu inorganic, mmanya, kemịkalụ, ọla, ụlọ ahịa ọgwụ, ụlọ ọrụ ọkụ, coal, nri, textile, nchekwa gburugburu ebe obibi, ike na ụlọ ọrụ ndị ọzọ.