Sacking. Allow surface to dry, but not completely xxxxxx; then rub vigorously with clean dry burlap to remove loose excess material. Finished surface to have a smooth slick burnished finish (similar to a steel trowel finish), which is free of defects and blemishes.
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Samples: purchasing.fresnounified.org, purchasing.fresnounified.org, purchasing.fresnounified.org
