The opsin made from the OPN1SW gene is more sensitive to light in the blue/violet part of the visible spectrum (short-wavelength light), and cones with this pigment are called short-wavelength-sensitive or S cones. Genetic changes involving the OPN1LW or OPN1MW gene cause red-green color vision defects.
Wood panel fencing â sometimes called stockade fencing â improves privacy and security and is a good choice for setting boundaries for children and pets. Individual components â boards and rails â and prebuilt panels come in sections 4 to 6 feet tall and 6 or 8 feet long. There are two basic types of panels: 1  The boards on a solid panel fence butt against each other. 2  Shadowbox panels, right, use alternating boards on each side of the fence rail to give the fence the same look on both sides, allow air circulation and provide partial views.
Bamboo Screening Fence 4m x 1m. These bamboo screening is ideal for use as a garden screening. This bamboo screen is ideal for attaching to unsightly fences and any other area of your garden. This bamboo screening roll is made from vertical bamboo slats cut from whole bamboo canes.