RF remotes generally work this way: The originating signal is sent from the remote as RF (radio frequency.) In the case of the MX-950 in my theater that's 418MHz, a very stable and reliable frequency band.
By nature, propane is clear and contains no scent at all. For safety purposes propane. companies add a substance known as ethyl-mercaptan to the propane fuel. Ethyl-. mercaptan has a strong rotten egg, or skunk-like scent, which allows the consumer to. smell it in the case of a leak.
Propane is a colorless, tasteless, odorless, nontoxic (non poisonous) and heavier than air gas. A smell is added to propane to aid in the detection of leaks. It is stored in a cylinder under pressure and stays in a liquid state. The temperature of this gas while in this cylinder is around -45Â°F. It has a boiling point of -44Â° at which point it will turn to a vapor. When changing a propane tank, certain precautions should be taken: 1.