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Old 03-31-2011, 07:30 PM   #13 (permalink)
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Thymeclock -

Originally Posted by Thymeclock View Post
I thought this thread was about compressed air. So what has hydrogen got to do with it?
I was just building on your statement :

They weigh quite a lot, as a steel tank used for compressed air or gas needs to be substantial enough not to rupture

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