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).
The âshellâ or âcaseâ is the outer covering of a hearing aid, and determines its style. Of the many parts of a hearing aid, style can make a big difference to your overall satisfaction. Beltone's two main style categories are Behind-the-Ear (BTE) and Custom hearing aids. Invisible-in-the-Canal (IIC) style.