Translations:Adventist Youth Honors Answer Book/Vocational/Masonry/13/en
From Pathfinder Wiki
Once the concrete is wet, it will begin to cure. It must be kept moist while it cures, and this can be accomplished by slowing the evaporation of the water that was mixed into it. Usually, this is done by covering the concrete with plastic sheeting or by spraying it lightly with water as it cures.