Fundamentals of Fire Fighter Skills Evidence-Based Practices No. 2 Questions taken from Jones & Bartlett Fundamentals of Fire Fighter Skills (3rd Edition) Progress Indicator: Question 2 of 18 2.  The tools/materials needed for general cleaning of the PDM components are ________. Choices: water and a cotton swab canned air and an alcohol swab mild detergent and a micro-fiber cloth canned air and mild detergent