| 1 | The sand and gravel in the Yangtze river is good building and filling materials. | |
| 2 | They used special microfibers, rather than coarse bits of gravel and sand, to strengthen the cement. | |
| 3 | The moon was set, and it was very dark; Bessie carried a lantern, whose light glanced on wet steps and gravel road sodden by a recent thaw. | |
| 4 | The Burqin-Haba River-Jimunai Desert area also includes darker gravel-covered surfaces that form pavements known locally as gobi. | |
| 5 | Please keep TRIO in mind for any partial or complete turnkey system that you might have for a mine, quarry or sand and gravel operation. |
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