Originally posted by BlackSuperb
					
						
						
							
							
							
							
								
								
								
								
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		Nitrogen doesnt expand and contract like other gases. I dont know exact figures and I'm not interested enough to search it but I know that's the reason for using it.
Happy Days.




 
							
						 Fair comment. But I was typing out the post on my keyboard really slowly at the time.
 Fair comment. But I was typing out the post on my keyboard really slowly at the time.  
							
						 
							
						
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