Final answer:
Masonry wall construction that exceeds 8 feet and is unsupported requires engineered support and additional precautions to ensure stability and safety.
Step-by-step explanation:
Masonry wall construction that exceeds 8 feet and is unsupported requires engineered support. This means that additional precautions need to be taken to ensure the stability and safety of the wall. Without proper support, the wall may collapse under its own weight or external forces, such as strong wind.