Coke mmanụ a na-akpọ calcined petroleum nke e ji mee ihe maka ihe e ji ígwè kpụọ (1-5mm), nke e ji eme ihe maka ịgbaze aluminom (0-50mm)
GBASARA AKỤKỌ
Afọ nke Ahụmịhe
Ndị Ọkachamara Ọkachamara
Ndị Nwere Talent
Ndị ahịa obi ụtọ









