Which is a common use for a wooden wedge during overhaul?

A wooden wedge is primarily used for shoring unstable objects during overhaul operations at a fire scene. This tool helps stabilize items that may pose a risk of falling or shifting, ensuring the safety of firefighters while they perform their duties. The ability to safely prop up or support materials can prevent additional hazards or injuries during the critical phase of overhaul, where firefighters are assessing damage and ensuring that the fire is fully out.

In contrast, shutting off a single sprinkler head typically involves a shut-off valve or specific tools designed for plumbing work, rather than wedges. Similarly, plugging a gas leak generally requires specialized sealing materials or equipment rather than wooden wedges, which are not effective for this purpose. Pulling a meter refers to disconnecting utility meters, which also requires different tools and expertise unrelated to the use of wedges. Thus, the primary role of wooden wedges in this context is best associated with shoring and stabilizing during the overhaul process.