1. | Consolidation of concrete should proceed ? | |
2. | The thickness of laminate boards vary from ? | |
3. | Bituminous paint consists of bitumen dissolved in ? | |
4. | The compressive strength of perforated bricks should not be less than ? | |
5. | The expansion of cement should not exceed ............ for any type of Portland cement ? | |
6. | The moisture content in timber for framework should not exceed ? | |
7. | The drier in an oil paint should not be more than ............ (by volume) ? | |
8. | For the construction of retaining walls, a ........... stone must be used ? | |