Oghere ihe owuwu igwe ihe nchekwa nchekwa nke osisi ọkụ
- Ụlọ nkwakọba ihe ciment;
- Ụlọ nkwakọba ihe onwunwe;
- Ụlọ nkwakọba ihe n'ọdụ ụgbọ mmiri;
- Ụlọ nkwakọba ihe nke limestone;
- Ụlọ nkwakọba ihe ájá na gravel.
Oge nzipu: Jan-05-2022