500 Kg = 28 microwave ovens
or 2.8 female lions.

Thanks Sensible Units from prev newsletter
(SockCooker Sock FTW 2012, Thu 3 Jul 2008, 22:29, archived)

hahahaha!

( god save the queen hardly ever original, Thu 3 Jul 2008, 22:30, archived)

YES

( mediocre *canned laughter*, Thu 3 Jul 2008, 22:31, archived)