Yeah, its not necessary for newbs. Basically, there is one guy that runs aroud durring the sessions as the main saftey guy who yells at people who are unsafe. You'd probably not want to volunteer for it until you get a hang of how events work.
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While a standard engine is powered by a belt connected to the crankshaft, a turbo engine runs on its own exhaust steam, making it more energy efficient. -- CNN
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