Other unconventional liquid hydrocarbons include production from oil sands, ultra-heavy oils, gas-to-liquids technologies, coal-to-liquids technologies, biofuel technologies, and shale oil.Unconventional natural gas can be of several types.ther unconventional liquid hydrocarbons include production from oil sands, ultra-heavy oils, gas-to-liquids technologies, coal-to-liquids technologies, biofuel technologies, and shale oil.
Unlike standard headphones, which use relatively large drivers (speakers) and fit on top of or around your ears, or earbuds, which use fairly small drivers and sit loosely in your outer ears, in-ear-canal headphones use very small drivers and actually fit inside your ear canals (thus the name canalphones).
Behind-The-Ear (BTE) Traditional Behind-The-Ear hearing aids are the most flexible hearing aids available and address the broadest range of hearing loss. A custom ear mold is made of your ear canal. This mold fits into your ear, while the hearing aid wraps around the back of your ear. Miniature BTE devices are a new concept in hearing aids and have become more popular as a large segment of the population becomes older.