Properly maintaining industrial boiler systems is one of the biggest issues industries face. Wear and tear are not the only things to have a detrimental effect, leading to rising fuel consumption and costs, and ultimately shorter operating lives. A key culprit is the buildup of boiler scale.

In some eyes, it’s urban art, but not everyone who takes a canister of spray paint to a wall, window or fire hydrant is the artist they think they are. And for city officials, there is a clear desire to clean off the unwanted paint work as quickly as possible. But effective graffiti removal and restoration projects require more than simply elbow grease.