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Re: which is better aluminum or steel????
I don't believe welding is a good option, it's just more machinery you need to bring to the competition. and I weld aluminum all the time, just cuz it's harder dosen't mean it's not good, no pain no gain. and correct me if i'm wrong but isn't there a no smoke or sparks rule, cuz they had that at our regional last year, and i don't believe that first would approve of welding while people are walking about without protective eyewear.
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Whats the difference between mechanical engineers and civil engineers?
Mechanical engineers build weapons, civil engineers build targets 
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