Enwere ike ịnye nkọwa ndị ọzọ nke nkwakọ ngwaahịa dịka ihe ndị ahịa chọrọ
Carbon dioxide cylinder
Carbon dioxide cylinder
Ngwa
Semiconductor
Igwe fotovoltaic
Ikanam
Imepụta igwe
Ụlọ ọrụ Chemical
Ọgwụgwọ ahụike
Nri
Nnyocha sayensị