Measure and mark the cut line
Wear safety glasses, gloves, dust mask, and hearing protection
Support the board on a stable surface with the cut line overhanging
Score the line with a utility knife if needed
Use a carbide-tipped scoring tool, circular saw with a diamond blade, or angle grinder with a masonry blade
Cut slowly and steadily along the marked line
Use a straightedge or clamp as a guide for straight cuts
Cut outdoors or use dust control if possible
Finish the cut with a utility knife, handsaw, or jigsaw for small sections or openings
Sand or smooth rough edges if needed
Clean off dust and debris after cutting