11. Or is this normal behaviour ?-- Steve Hart 18 : 38, 29 August 2007 ( UTC) 12. Quoting the context of the search term is normal behaviour for Google and other search engines. 13. When stretched rubber is heated, it contracts, a reversal of the normal behaviour of materials when heated. 14. If some people start to delete stuff it might seem to others that that is normal behaviour . 15. We were lucky in that we had a Siamese which considered all that to be perfectly normal behaviour . 16. I would say that is normal behaviour . 2 . some malware deliberately turns off anti virus products. 17. :: Might not the cracking of the bone be a normal behaviour to be expected of seed eating birds. 18. This is normal behaviour for the admin community . talk ) 14 : 42, 30 September 2009 ( UTC) 19. :There's a continuum of normal behaviour which runs to the edge of what's considered rude / out-of-place / offensive. 20. This is not usually a cause for concern however, and the fish will normally return to normal behaviour almost instantly.