A slurry of wet concrete can be poured into molds. Over time, the concrete gets harder.
Once cement has been made, it is mixed with water, crushed rocks, and sand. This forms a concrete slurry, a thick semi-liquid mixture with solids suspended in water. The concrete slurry is transported to a job site by a concrete mixer. At the job site, the slurry is poured into molds. As the wet concrete hardens, it gains strength.
Complete the sentences.
A slurry of ? concrete can be poured into molds. Over time, the concrete gets ?
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