A type of ink vehicle—the fluid carrier of the ink pigment—that dries by the cooling of a wax-based vehicle. Resin-wax vehicle inks, as their name implies, are made from a combination of resins and waxes, and are solids at room temperature. Presses designed to print these inks (which are called cold-set inks) must have heated ink rollers, form rollers, and plates to melt the ink and keep it liquefied long enough to make an impression on the substrate, where it then cools and hardens. Cold-set inks are not widely used. (See Vehicle.)