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Old 30th Mar 2004, 07:38
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ZK-NSJ
Kiwi PPRuNer
 
Join Date: May 2000
Location: rockingham, western australia
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an old air con installers trick if they have been pissed off by someone in management, they go to novelty shop and buy a whole lot of 25cent whistles, they then proceed to pot-rivet the whistles throughout the ductwork.........
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