| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | excavation | Construction culture | Excavation is a process used in construction to prepare the ground for building foundations or infrastructure. | 1 |
| 2 | excavation | construction culture | Excavation is a common step in the construction process to prepare the ground for building foundations and infrastructure. | 1 |
| 3 | excavation pit | construction | A necessary step in building foundations and infrastructure | 1 |
| 4 | excavation pit | construction | A necessary step in building projects to lay the foundation or install underground utilities | 1 |