Question: How do I grind the concrete properly when making a concrete countertop>

  Options: 
 A. keep your grinder as flat as possible on the surface, especially with the rougher grit pads. . Continue grinding until you have the desired marble exposed
 B. keep your grinder as flat as possible on the surface, especially with the rougher grit pads. . Continue grinding until you have the desired aggregate exposed
Answer: B