Engines with increased horsepower
False. You should incorporate many different areas of fitness. You may focus on running, but you should try other things like yoga, cross fit, etc. This can help you keep all parts of your body fit and healthy.
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Because emergency responders cannot enter areas that are still dangerous and because it it important to check for danger to victims and responders and assessing the situation is the first step taught in first aid course and the first step is actually to call the emergency assistance.