The cornea and lens in the eye act as the camera lens. The retina is similar to the film. If the image is not focused properly, the film (or retina) receives a blurry image. The cornea also serves as a filter, screening out some of the most damaging ultraviolet (UV) wavelengths in sunlight.
Hardie plank siding is a premium brand of cement board siding (also known as fiber cement board siding) produced by the James Hardie Company.ardie plank can be purchased with a wood-grain look, a plain smooth look or a stucco type finish. Hardie plank also comes in simulated cedar shingle planks.
Save. HardiePlank is a brand of fiber cement board that is used for exterior siding projects. It is similar to traditional, beveled wood lap siding. If you have loose HardiePlank siding on your home, it is important to fix it.Loose siding can leave your home unprotected from weather and insects.nstructions. Inspect the HardiePlank siding on the exterior of your home for loose boards, which will leave your house open to weather and insect damage. Slide a paint scraper against the surface of the loose boards in a back and forth motion while applying slight pressure.