Determining Landscape Grades/What Is It?/Seeing Inside Walls/Repairing a Bathtub Drain
Roger Cook shows Kevin O'Connor several different ways by which to determine the grade, or pitch, of a landscape. Roger, Kevin, Tom Silva, and Richard Trethewey examine an unfamiliar object and try to guess how it is used. Tom and Richard show Kevin different ways to "see" what's inside a wall. Richard helps a homeowner repair a bathtub that will not hold water.