This industrial steel fabricator is cutting, bending, and welding steel. Significant amounts of heat is required to manipulate the steel to exacting customer specifications.
As the metal products cool, they are rinsed down with a coolant solution in water. City tap water will leave the product with a coating of precipitated minerals. The resulting white film looks like water spots on a shower door.
Commercial Water provides the mineral-free water that effectively prevents mineral deposits on their products.