Ivona Gita. pergola. May 26th , 2017.
One of the most beneficial uses of the pergola is to delineate an outdoor sitting room, creating more living space and added value to your home. This is more cost-efficient than adding a sun room or screened porch. Many pergolas are designed to be self-supporting and can be placed on existing brick and stone patios or on wooden decks. Some pergolas are even supplied with electrical features such as ceiling fans, speakers and retractable awning covers to keep your seating area comfortable in all varieties of weather.
In recent years however, these utilitarian purposes have not been the only reasons why wrought iron gates and fence work is being used in homes. Now, aside from providing the necessary security from an increasingly hostile world, the design qualities and workmanship of the wrought iron enhances the aesthetics of any garden and driveway and many homeowners now have their gates and fences made to order.
If you make it past the fence and the dog, you reach the door of the club. Here you are met by a pair of bouncers. This is the final component of our analogy. This club has an age restriction, so the bouncers are checking ID. The bouncers not only identify you before they let you in, or lock you out, they also remember. If you get turned away once and you try to enter again, they recognise you more quickly and are more vigourous with their second response. This is similar to what happens in the third line of defence. B and T lymphocytes (different types of white blood cells) are involved. They have a coordinated response, often work together and the response is specific. In addition memory cells are generated so a re-exposure to the same pathogen will cause the body to respond more quickly and strongly (this is the reason why immunisation has been so successful in virtually eradicating some horrific childhood diseases).
In some cases it may be advisable to use a double-fence system; for example, the effectiveness of a perimeter fence can be greatly increased around a deer farm, by installing a second woven wire deer fence 3-4 feet away from the first perimeter net. This creates a barrier that deer are unable to clear and that predators will find extremely difficult to negotiate.
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