This versatile unit is designed to mix and pump neat cement, bentonites, lightly sanded grouts and most commercial pre-blended non-shrink grout mixes.

这种多用途的装置被用作混合和抽取纯水泥、膨润土、轻砂浆和大部分商用预混合非收缩灌浆混合物。

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When that happens, and a sinkhole threat has been established, crews can pump a thick grout a mixture of sand and cement into the ground to fill the holes.

NPR: Work Continues, Future Uncertain For Sinkhole Site