The major common sill problems include osagging, rot, poor anchoring, and gaps under sills. However, O Crushing is not a recognized term associated with sill problems. Understanding these issues is crucial for maintaining structural integrity. ;
The correct answer to the question is C. Crushing is not recognized as a common sill problem. Common issues include sagging, rot, poor anchoring, and gaps under sills, which are essential to monitor for structural integrity.
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