Lesson 1/Learning Event 1
The tank-unit assembly (figure 3 below and figure 5 on page 7) is used to
store the water needed for the M12A1 PDDA. The tank is bolted to a skid. A
hopper-blender assembly and the agitator in the tank are used to blend STB
decontaminating agent and water.
TANK-UNIT AND HOPPER-BLENDER