Hazardous Mataterial - Recognizing and Identifying the Hazards No. 1 Questions taken from Jones & Bartlett Fundamentals of Fire Fighter Skills (3rd Edition) Progress Indicator: Question 2 of 20 2.  Open body type vehicles shall not be used to transport less than 2000 pounds of explosives when: Choices: The ends and sides are high enough to prevent the explosives from falling off The load shall cover with a fire resistant tarpaulin Unless the explosives are transported in a magazine securely fastened to the vehicle All of the above