A deicer is mainly a device that sprays substances such as rock salt or ethylene glycol, in order to melt existing ice or prevent the formation of ice in the future on the sides or roads, windshields and even aircraft wings.
It is no secret that many countries are victim to heavy snowfalls, such as Canada, the United States, and other countries in the northern hemisphere.
Ice can difficult to remove as well. You may need to wake up an hour or two before actually leaving for work or school etc just to clean your driveway and car. This is a long and tedious task if done by a simple shovel and labor, which might even result in windshield scratches.