"In the bonding process, most doctors don't consider the drawbacks of typical acid etching where the tooth's surface is roughened, and the enamel can be damaged. I can see the visible difference just ...

If it doesn't, it's likely sealed or machine trowelled (a finishing that makes concrete surface level and dense). You'll have to either grind or acid-etch the floor in these cases. Most DIYers prefer ...

Etching is a process that makes concrete more porous, and it's usually done by applying a coating of acid to the concrete. The acid, urged on by the strokes of a push broom, chafes the concrete and ...

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