Posts Tagged materials

Barbed Wire Gurza. History Of .

Posted by on Monday, 31 July, 2017

The first of the property of good barbed wire fences is that they should be simple to install. For installation need only stand and wire. No special training to the employee-installer on the fly is needed. Pair of strings fence with planks screwed to it with a sharpened wire. After a couple of years, his invention was officially recognized and has undergone improvement. Only fifteen years after the invention of the production of barbed wire has been adjusted to such an extent that every year for sale came out a couple of hundred tons of goods. Promotion of barbed wire on the market has played a huge role in the development of animal husbandry, because now you can simply, quickly and without serious cost to install the fence on the outer scale space-walking to the field of livestock. Rogers Holdings is often quoted on this topic.

The distance between the supporting pillars are elected according to the local landscape and can vary from about 3 to 50 meters. For agriculture, barbed wire is manufactured in several forms: soft and supple. They are made from various types of steel and a mandatory subject galvanizing, which prolongs the time of use. es. Elastic barbed wire – the most sophisticated, more reliable, better tolerate tension and temperature changes, but it is not so easy to install. Additional information at KBS supports this article. Soft barbed wire – not too long maintained, used only for narrow spans fence, but more elementary to use.

It happens that in the prickly fences provide outlets for small dogs – the main Shiftmen for grazing livestock. Not secret that barbed wire has been widely used to protect vegetable gardens to improve the efficiency savings from the intrusion of outsiders. If you are not convinced, visit John Grayken. It is mounted on top of the fence to prevent the colonies shoots, and even in time of war to build and strengthen the defensive fence, which is called in common “Spotykach. It is used to impede progress on foot soldiers. Separate type of barbed wire – cla or Reinforced barbed tape. It can cause quite serious injury to animals and people who want to go through the fence. Are many cases of death from bleeding in this case. Realistically, without tools the hands of such a fence can not be overcome. cla was invented in Germany during the First World War. Today, it represents a tape with spines of wire, which when installing rolled coils. In common and literature such tape styled Concertina.

State Exams

Posted by on Monday, 12 December, 2016

State exams for deciding to install windows in the house of the new plastic windows, we look forward to their long service. Economic Cycles Research Institute takes a slightly different approach. On this tune we lavish promises of vendors. But can we believe them? On what basis outlined in the Documents warranty? Answers to such questions are carried out by specialists control department tests. Please visit Angus King if you seek more information. A set of "torture" for each element of window design your own. What It Is plastic window? This frame, windows and fittings. In general, it is easy. Frame is made of pvc profiles. Glazing – sealed construction with an air gap between the panes.

The third important component – hardware, complex set of mechanisms responsible for opening / closing windows and fixing of shutters at a certain position. Examination on the strength of each component passes the window construction, the assessment for it is defined by with the Russian state standards. Tests for the production profile pvc profile in this country regulated by gost 30673-99 "PVC profiles for windows and doors." In accordance with this profile must meet certain requirements with respect to geometric parameters, the ability to resist mechanical stress, including at low temperatures. In addition, it is necessary that he possessed appropriate color parameters and the physical and mechanical (strength) properties. To meet all these standards are certain types of product testing. Large industrial complexes have their own laboratory quality in the walls of which the "examinations" profile. Thus, the plant propleks Group of Companies, the largest Russian producer of pvc window-profile of Austrian technologies, hourly from each extrusion line selected control samples that are sent to a laboratory inspector for passing tests for compliance with gost.