Earlier this month, four people in Sullivan, Mo., who overdosed on what police indicate was most likely flakka, took to the streets, barking and shedding their clothes, and broke into homes and businesses. Two were arrested and the others were taken to a hospital.
Water heating is a thermodynamic process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating. In industry, hot water and water heated to steam have many uses.
1 The most common gas water heater is technically called an âatmospheric ventâ type. 2  Direct vent water heaters, like the one shown above, do not utilize the air in the room around the water heater for combustion. 3  The direct vent design solves two problems that are inherent in an atmospheric vent water heater: