In handling piped gas, what is the initial step to take?

When handling piped gas, the initial step to take is to shut off the gas. This action is crucial because it stops the flow of gas, which is essential in mitigating the risk of an explosion or fire. Once the gas supply is cut off, other safety measures can be implemented, such as evacuating individuals from the area, notifying the authorities, and ventilating the space.

Shutting off the gas immediately addresses the immediate danger and allows for a safer environment to assess the situation or conduct further necessary actions, making it the most critical first step in managing any leak or emergency involving piped gas.