Translations:Adventist Youth Honors Answer Book/Vocational/Masonry/12/en
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3. Demonstrate a knowledge of building cement characteristics (know how to prevent sweating, cracking, shrinking, crumbling, and loss of strength).
Properly mixing and curing concrete will address most of the problems listed here. Adding too much water to concrete will cause it to lose strength. Ideally, you should only add enough water to the dry ingredients to make them all slightly wet. It is sometimes necessary to add more water than this so that the concrete can be poured into a form, and in these cases, only enough water to get the concrete to flow should be added.
