Final answer:
The incorrect statement about the all-purpose saw is that it is rarely used by the fire service; in fact, it is frequently used in emergencies or fires due to its versatility and efficiency.
Step-by-step explanation:
The statement that would be INCORRECT to say about the all-purpose saw is (A) It is rarely used by the fire service. The all-purpose saw is a versatile tool equipped with various types of blades, making it capable of cutting almost any material, which is why it is actually frequently used by the fire service, especially in emergencies or fires where cutting through different materials swiftly is crucial.
Coming equipped with three types of blades allows the all-purpose saw to be more efficient and safer, as described in the reference information, where a three-blade design has a lower tip speed that is less dangerous compared to designs with fewer blades.