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.
1 V-mesh wire (also called no-climb fencing) is one of the safest fencing options out there. 2  This type of fence has a diamond pattern that makes it as effective at keeping animals out as it is in keeping horses in.3  The downside is cost; it is the most expensive wire fence. V-mesh wire (also called no-climb fencing) is one of the safest fencing options out there. 2  This type of fence has a diamond pattern that makes it as effective at keeping animals out as it is in keeping horses in.