Advertisement for Dowflake Calcium Chloride, a product of the Dow Chemical Company marketed for use stabilizing road surfaces and as an efficient means of moisture control. The advertisement features a collection of household tools, including a wrench, hammer, and screwdriver, with a droplet of moisture and a supply of Dowflake hovering above. While some of the tools are rusted, those covered by the Dowflake appear untouched, attesting to the product's ability to absorb moisture and protect objects from mold, mildew, and rust.