It is important to wear rubber gloves or a plastic face mask when administering first aid: to protect yourself and the victim from the spread of infectious diseases to keep blood or other fluids from getting on your face or hands to be modest to not only protect yourself and the victim from the spread of infectious diseases but also keep blood or other fluids from getting on your face or hands

                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.