production of hydrocarbons from oil shale based on the conditions in which the production of oil and bitumen are optimized

摘要

the invention is directed to a device for sun visor of the sliding rail, and which can be disassembled and easily regardless of the area in which it is installed. this device makes it possible to avoid the sun and wear and tear on the web through the provision of the constitution in relation to the guide rails in which it slides.in addition, this system allows the sun visor to the web winding housing at an intermediate position with respect to the guide rails, which allows the configuration of devices with some sun track longer than others.