WD-40 is nothing new, but there are several other ways to use this petroleum-based formula, including using it to clean tiles. Simply spray it on tiles to remove spilled mascara, nail polish, paint and scuff marks from tile floors. This can also be used to help you wipe away grime from the grout lines – clean everything up with soapy water afterwards. Or, just spray on stainless steel sinks and scrub lightly to remove stains. Continue reading for more.