Provided is a new and improved process for preparing a borated alkaline earth metal toluene sulfonate salt. The ready-mix concrete including cement, air, water, sand and a remaining percent of virgin course recycled aggregate such that the coarse recycled aggregate combines to 100% of the required course aggregate. The vending machine includes a liquid source for supplying the liquid and a payment acceptor that is configured to accept payment to refill the bottle with liquid from the liquid source. A lid for an access opening to a set of valves may include an extension that prevents a valve handle from being moved to open the valve while the lid is closed.