Thread: Why Left Hand Thread
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Old 09-07-2012, 09:43 PM
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GeoffW1 (Geoff)
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Quote:
Originally Posted by AndrewJ View Post
Going from memory at uni
left hand thread was for flammable gases and right hand for inert or oxidising gases. But that was 30 yrs ago

Andrew
Hi,

It is still so, prescribed by an Australian Standard, AS2473

Cheers
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