Rope ladder and its types
A rope ladder is an alternative means of vertical movement. Simple is always more reliable. This statement is fully relevant to it.
There are different types of stairs: ladders, side, garden, etc. The choice depends on taste and practical purposes.
A rope ladder is one of the most necessaryhuman inventions, which have been used since time immemorial. Materials for its production were wool and animal skin, vegetable fibers and even hair. The historical use of rope ladders differs in a wide range: when storming fortifications and cities, saving people, navigating, like a sports projectile. Nowadays, all ships are equipped with so-called storm traps. These are rope ladders intended for boarding people in boats and dropping them aboard in critical situations. Without them, you can not manage at times of raid parking.
A rope ladder is an important element of medieval love adventures. The man has already paved the way into space, but the "eternally young" rarity is not forgotten.
Stairs differ in length, material, methodfastening. In our age of development of synthetic materials they are made of artificial fibers, among which lead lavsan, nylon and kapron. They provide the products with the necessary compactness. The rope ladder easily folds and does not take up much space.
This is an indispensable component of the sports corner for the child, an excellent children's exercise machine, which is often adapted as a conventional swing.
The compactness of the ladder allows you to fit it wellin the interior of the apartment. It is absolutely unnoticeable, does not take up space, so it allows you to use all available space as efficiently as possible, without blocking it, as it does with other analogs of stairs.
It is successfully used also in non-sports sphere. The rope ladder helps to move in difficult conditions, for example in caves and at rescue of people in any extreme situations. For these purposes, in many countries, multi-storey buildings are equipped with such means of displacement. It is clear that while the stairs should meet certain functional requirements regarding their length and strength. The minimum length for rescue purposes is 6 meters. Usually rope ladders are calculated on a load corresponding to the weight of three people of the average constitution. Extreme conditions impose additional requirements on their characteristics, given the high vital importance in operation.Rope synthetics, for example, can not standultrahigh and high temperatures. The upper part of the staircase to rescue people in a fire is equipped with steel chains, steps are made of solid wood and covered with a special fire-resistant coating. A set of spazestnitsy includes a hammer and a carbine.
A rope ladder is also used as an element of insurance when performing various high-altitude works. It is indispensable in the construction, carrying out of industrial work at height, on drilling rigs.