Banyere Ngwa Ebube Ebube: Ihe Benjamin Thompson kwuru na mbido narị afọ nke 19 na a na -ejikarị ọla kọpa eme arịa kichin, na -eme mgbalị dị iche iche iji gbochie ọla kọpa ahụ ịmeghachi nri (ọkachasị ọdịnaya acidic ya) na oke okpomọkụ eji esi nri, gụnyere tinning, enamelling na varnishing. Ọ chọpụtara na ejirila iron mee ihe […]