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 exists as a liquid and a gas. At atmospheric pressure and temperatures. above â44 F, it is a non-toxic, colorless and odorless gas. Just as with natural. gas, an identifying odor is added so it can be readily detected. When contained in. an approved cylinder or tank, propane exists as a liquid and vapor. The vapor is. released from the container as a clean-burning fuel gas. Propane is 270 times. more compact as a liquid than as a gas, making it economical to store and.