... 8 years. Feature:(1)Durability: built-in light source with good protection, extend the life of the light source ... mirrors, prisms, TV screen, the light transmittance of the Fresnel lens, the camera zero. 3. The preparation of a variety of ... 6. Aircraft cockpit glass, bulletproof glass of airplanes and automobiles (with intermediate sandwich material). 7. Various medical, military, architectural glass. ...