| river | 0.30 |
| stream valleys | 0.30 |
| formal gardens | 0.25 |
| range in size | 0.51 |
| make concrete | 0.50 |
| protect the roofing mat… | 0.46 |
| consist of lava rock | 0.40 |
| last for indefinite per… | 0.37 |
| stay in place | 0.30 |
| remove unwanted dust | 0.30 |
| hold water | 0.30 |
| enter primary crusher | 0.25 |
| scatter under 1/4-inch … | 0.25 |
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| loose aggregation of ro… | 0.63 |
| rock | 0.30 |
| concreted into sediment… | 0.25 |
| natural rocks | 0.30 |
| intermixed with sand | 0.76 |
| used in construction | 0.71 |
| produced by quarrying | 0.69 |
| classified by particle … | 0.68 |
| added | 0.62 |
| produced by crushing | 0.61 |
| mined in moist or wet c… | 0.56 |
| crushed | 0.54 |
| mined in open pit excav… | 0.52 |
| dependent on geologic c… | 0.43 |
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| driveway | 0.63 |
| landscaping | 0.50 |
| footpath | 0.40 |
| road | 0.40 |
| walkway | 0.38 |
| road building | 0.37 |