MCQOPTIONS
Saved Bookmarks
| 1. |
Portland cement is manufactured by using [CPMT 1986] |
| A. | Lime stone, clay and sand |
| B. | Lime stone, gypsum and sand |
| C. | Lime stone, gypsum and alumina |
| D. | Lime stone, clay and gypsum |
| Answer» E. | |