Where should appliances be located to ensure proper circulation?

The correct choice emphasizes the importance of not interfering with air circulation when positioning appliances. Proper air circulation is crucial in ensuring that propane appliances operate efficiently and safely. If appliances are placed in a way that obstructs airflow, it can lead to poor combustion, higher emissions of harmful gases, and risks of carbon monoxide buildup.

Proper air circulation allows for a sufficient mix of air, which is essential for the combustion process that powers propane appliances. This ensures that they function effectively, providing adequate heat and energy while reducing the risk of unsafe operating conditions.

While other options may suggest different placements, they do not specifically address the necessity of maintaining air circulation, which is vital for safety and performance in spaces where propane appliances are used.