What do the numbers on a tire mean? The DOT number appears on the sidewall of all tires intended for sales in the U.S., and designates the location of manufacture, the week and year of production, and the specific tire.
Water heater anode rod or sacrificial anode is the important component part with only one purpose; to protect metal tank from corrosion. Use this article to learn how to replace the anode, installation tips, how it works, about different types and when to use each one.
Marine Water Heater. A marine water heater is a heating device used in boats and ships for heating water as well as spaces. Powered by either electricity or propane, a marine water heater is a way to provide instant and required amount of hot water for tasks such as washing-up, personal hygiene, and shower, besides cooking etc.