YAMAYO BLISS ET-711 Industrial Endoscope is a device that is both, practical and easy to handle. It guarantees non-destructive control for industrial applications that are difficult to dismantle. YAMAYO BLISS ET-711 Industrial Endoscope is a device that allows high definition visual inspection, video recordings and photography of deep cavities, partitions, ducts and critical interior surfaces. YAMAYO BLISS ET-711 Industrial Endoscope is widely used in the visual inspection of aircraft engines, aero derivative industrial gas turbines, steam turbines, diesel engines, automotive and truck engines. Gas and steam turbines require particular attention because of safety and maintenance requirements. It can be used for Inspection of engines to prevent unnecessary maintenance, which can become extremely costly for large turbines. It is also used in manufacturing of machined or cast parts to inspect critical interior surfaces for burrs, surface finish or complete through-holes. Other common uses include forensic applications in law enforcement, building inspection, and in gunsmithing for inspecting the interior bore of a firearm.