Which safety practice should always be followed before unplugging a power tool?

Before unplugging a power tool, it is essential to wait for the tool to stop running completely. This practice is vital for ensuring safety as it minimizes the risk of accidental injury that could occur if a tool is unplugged while still in motion. If the tool is still running when unplugged, it could result in unexpected movements or even cause the tool to come loose from its position, leading to potential harm to the operator or bystanders.

In addition to this, several other safety practices are important, such as inspecting the workpiece, turning off the power supply, and checking the surrounding area for hazards. Each of these practices contributes to a safe working environment; however, waiting for the tool to completely stop is a critical step that directly prevents accidents that can happen due to a tool still being operational when unplugged.