Meths is very useful for cleaning up whiteboards
especially if some doughnut has used permanent marker on them by mistake.
Another quality Trufax from wuffle bunny

(
wuffle, the b3ta bunny 's flea collar isn't working on,
Wed 30 Dec 2009, 23:03,
archived)
AND
you should put a half a cup full into your windscreen washer water in your car for a brill clean windscreen - gets all that road grime off in a wink.
(
Shazzoir Old enough to know better young enough not to care,
Thu 31 Dec 2009, 9:06,
archived)