______ is not a recommended material to use when constructing a diesel fuel storage tank. Question 6 options: A) Hardened steel B) Steel clad C) Copper D) Layered fiberglass Question 7 (5 points) Listen Two technicians are discussing condensation problems. Technician A says that it is best to drain water from the fuel tank at the end of the day during cold weather. Technician B says that fuel tanks should not be filled until the vehicle is ready to operate in the morning. Who is correct? Question 7 options: A) Neither Technician A nor Technician B is correct. B) Both Technician A and Technician B are correct. C) Only Technician A is correct. D) Only Technician B is correct