Portable space heaters are small, electric resistance heating units. Regardless of the shape, size or type of electric heating element found in an electric space heater, virtually all power drawn is converted into heat. The cost of operating an electric heater depends on how much heat the unit is delivering.ortable space heaters are small, electric resistance heating units. Regardless of the shape, size or type of electric heating element found in an electric space heater, virtually all power drawn is converted into heat. The cost of operating an electric heater depends on how much heat the unit is delivering.
Flexible electronics, also known as flex circuits, is a technology for assembling electronic circuits by mounting electronic devices on flexible plastic substrates, such as polyimide, PEEK or transparent conductive polyester film.
Show 4 replies. 1  1. Re: Flex Circuits - What they are, and why buying one could be a career ending move. 2  2. Re: Flex Circuits - What they are, and why buying one could be a career ending move. 3  3. Re: Flex Circuits - What they are, and why buying one could be a career ending move. The Huth - CCIEC Feb 23, 2015 1:45 PM I'm posting this in response to another members question about running voice and data over the same T1 circuit.