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ROTATING MACHINERY - 14325_551
HIGH NOISE LEVELS - 14325_553

Basic Military Requirements (BMR) Revised Edition
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wiping rags immediately or store them in firesafe containers. Avoid trip hazards by maintaining proper stowage. Do not allow fire hazards to accumulate. REVIEW 9 QUESTIONS Q1.   Before  beginning  work  to  repair  a  piece  of equipment, you should take what action? Q2.   What  personnel  are  authorized  to  operate  gas welding or cutting equipment? Q3.   When working around rotating machinery, what types of clothing/equipment should you wear? LIQUIDS UNDER PRESSURE Any liquid in a system that has been pressurized is to be considered dangerous until the pressure has been removed. For example, the ship’s fire-main system uses salt water that has been pressurized to make the water available throughout the ship. The pressurized water in the  system  is  not  dangerous,  but  the  misuse  of  it  is. Therefore,  you  should  observe  the  following  safety practices when using the fire-main system or any other system that may have pressurized liquid in it: Never  connect  or  disconnect  a  hose  from  the system until the pressure has been removed. This can  be  done  by  shutting  off  the  valve  on  the fire-main system. Never  use  ruptured  or  worn  hoses  with  any system that has pressure in it. Never point a charged (pressurized) fire hose at anyone. Spray paints, butane fluids, lacquers, and other aerosol products contain liquids under pressure. Be  extremely  careful  with  these  containers. Don’t use these containers near a flame, throw them in a fire, or puncture the containers. ACIDS, ALKALIES, AND OTHER CHEMICALS Acids and alkalies are used in the Navy in the form of pure compounds and mixtures. Acids and alkalies are hazardous  because  they’re  corrosive  (cause  chemical burns) when they come in direct contact with the skin, eyes, or other body tissues. They can cause breathing difficulties or injure respiratory organs if too much of the acid mist is inhaled. The acids and alkalies can also cause  dangerous  chemical  reactions  if  not  handled properly. When handling acids, alkalies, or other chemicals, you should observe the following precautions: Wear  chemically  resistant  rubber  or  plastic gloves. Wear  chemically  resistant  rubber  or  plastic goggles.  You  may  need  to  wear  a  plastic  face shield in addition to the goggles. Wear  chemically  resistant  rubber  boots  or overshoes  with  resistant  soles.  Wear  trousers outside of the boots. Wear a rubber or plastic apron. Wear  a  respirator  when  indicated  for  the chemical you are working with. Persons who have been exposed to acids or alkalies should seek medical attention immediately. MARINE SANITATION SYSTEMS Sewage is a mixture of all liquid domestic wastes, especially human body wastes (fecal matter and urine). Sewage  contains  large  numbers  of  microorganisms, some of which are disease bearing. Bacteria and viruses enter the human body through the mouth, nose, open sores,  and  so  on.  Therefore,  you  must  observe  the following   basic   precautions   when   working   in sewage-handling areas. 19-18 Student Notes:







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