As a final check when taping drywall joints, use a side light to check for smoothness. The light can be a halogen worklight, a troublelight, a lamp without a shade, even a larger flashlight. Hold the light close to the wall next to the joints in several places to reveal high and low spots, or bumps and depressions, that otherwise would be easily missed.
Several types of injury occur during construction. Those covered under other sections are grade changes and soil compaction. The other type of injury is mechanical injury to trunks. If the injury is minor, the tree will heal the wound with no difficulty. A major bark removal may kill some portion of the tree. Several wounds may girdle and kill a tree.