The document provides instructions for using three types of Flow Boss Cleaners to safely clean blocked drains, vents, and valves while containing hazardous materials. The cleaners eliminate fire and spill hazards during cleaning. Type 1 can be used up to 700°F and 600 psi, Type 2 up to 350°F, and Type 3 up to 1000°F and 1000 psi. The document outlines inspection, maintenance, and operating procedures to ensure safe use of the cleaning tools.