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.
Acoustic fencing, to reduce noise pollution. Privacy fencing, to provide privacy and security. Temporary fencing, to provide safety, security, and to direct movement; wherever temporary access control is required, especially on building and construction sites. Perimeter fencing, to prevent trespassing or theft and/or to keep children and pets from wandering away.
Looking to find fence contractors in your area? Get free quotes Â». A wooden fence is a great addition to any home. You can install a fence for privacy, security, to reduce noise, or just for the look of it. So what type of wood should you use? That depends on your climate, budget, and how long you are planning to stay in your home.