The three statements are relevant to monitoring and inventory control:
1. Sports equipment, such as gear, are items that are not consumed during use; they are built to last and be used multiple times.
2. Choosing equipment suitable for the user's age is essential for safety and correct usage.
3. Training arches, specialized equipment for jumping exercises, require meticulous tracking and upkeep.
Therefore, option (d), encompassing statements 1, 2, and 3, is the accurate choice.