What type of supply line load allows for laying both single and dual supply lines?

The combination load is designed to accommodate both single and dual supply lines, making it versatile for various operational scenarios encountered in firefighting. When firefighters need to deploy water supply lines, the combination load allows them to lay out one or two lines as necessary, depending on the situation and requirements for water flow at the incident scene.

This flexibility is a significant advantage, as incidents may vary in terms of water demand and infrastructure layout. With a combination load, firefighters can adapt to these conditions quickly, enhancing their efficiency in establishing a water supply. In contrast, other load types may not provide the same level of adaptability, limiting their application to more specific situations. This adaptability is crucial in ensuring that firefighters can respond effectively to the unique needs of each firefighting incident.