Cafeteria (schools, hospitals, army bases…)
It’s not easy to serve large amounts of cooled drinks to hungry guests who come all at once to get their meal, is it? Well it’s impossible unless you have a huge storage space and refrigerators, and enough staff to do all the work. Or … you can use fast&efficient dispensers connected to beverage containers and the water source. It’s much easier, cheaper and healthier.
Try it with one of these: