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Organic Cleaning Solvents - 12018_610
PREPARING THE SURFACE - 12018_612

Basic Military Requirements (BMR) - Requirement for military advancement
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When  exposed  to  the  atmosphere,  fluorocarbon vapors  will  accumulate  in  low  spaces  unless  local ventilation is provided. Since these vapors are heavier than air, they can displace oxygen. Inhaling vapors at high concentrations (4,500 ppm or greater) will cause dizziness or narcosis. If fluorocarbon vapors displace oxygen, suffocation occurs. When  handling  fluorocarbon  refrigerants  and solvents, wear the following PPE: Rubber gloves Safety splash goggles Protective clothing In addition, if vapors accumulate over 1,000 ppm, wear an OBA or air-line respirator; and notify the gas free engineer. REVIEW 2 QUESTIONS Q1.  When you are working with solvents, what does the term  ventilation  mean? Q2.  List the protective equipment you should wear when handling acid or caustic cleaners. a. b. c. d. Q3.  How must the material and rags used to clean up a solvent spill be treated? Q4.  List  two  types  of  respirators  used  by  Sailors when handling solvents. a. b. Q5.  What  causes  most  fires  in  paint  and  solvent storage areas? Q6.  List the symptoms personnel might have when working in a compartment having bad air? a. b. c. d. PAINTING AND PRESERVATION Learning Objectives: When you finish this chapter, you will be able to— Identify the equipment and procedures used for surface preparation. Identify types of paint and recognize their use. Recall fixtures, devices, and surfaces that should not be painted. Recall painting safety precautions. Recall methods used when painting to include care of brushes and rollers. The Navy uses from 25 to 30 million gallons of all types of paint a year. Roughly 20 million gallons are used for preservation, some of which you will apply. Paintbrush purchases also run into millions of dollars. It is no exaggeration to state that millions of man-hours a year are expended in cleaning, chipping, and painting. To paint a ship’s exterior with one coat takes 20 gallons on a tugboat, 50 gallons on a submarine, and as much as 950 gallons on a carrier. The average basic 18-10 Student Notes:







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