A very clean playfield (all waxes / polishes must be removed first!)...I've always used shellite / isocol alcohol first.
+1 Both available at bunnings.
And gee don't they charge you for iosprop! Think it's $12 for a spray bottle?
I use 100% pure iso at work (As a paint thinner) - got about 1200lt in stock...
![naughty &&](http://www.aussiepinball.com.au/Smileys/classic/naughty.gif)