| 1 | Determine the engineering properties of natural building materials |
| 2 | Building and facing stones on the introduction of the standard tests and evaluations |
| 3 | Ballast, concrete and asphalt aggregates on the research and evaluations of the standard |
| 4 | Determination of the negative effects of weathering and discontinuities quarries |
| 5 | Structure and geological origin, facing stones and aggregates encountered negative |