Перевод текста In the Russian language, one of the - cost of rounds during which the with gas control units mounted directly meanings of word "drawing" is pipeline rider uses relevant instruments at the user's and not using low pressure very close to the meaning of word is reduced due to the fact that no need improves safety of the gas supply to the "temporization" that means "to hang to carry out quality control of the insula- buildings. To ensure still higher level of fire", "to maneuver", "to dodge", etc. tion and less leakage risk (no corrosion is safety, use shall be made of special tech Alas, the word in this meaning is used formed); nical means inside and outside of the quite frequently in our every-day life as -- the electric power for corrosion pro- buildings. distinct from Europe, for instance.
tection ofthe steel pipes is practically no At the same time, word "drawing" longer required;
The gigantic gas leakage that occurred in Moscow in the depth of night from is widely used in Europe when they - no need in expenditures for operation May 9 to 10 eloquently demonstrated the describe the process of drawing of poly- and maintenance of the corrosion pro- necessity of urgent restoration of the gas ethylene pipes through the existing stee! tection installations. distribution systems (by the way, Moscow gas pipelines. This technology makes it As to the level of safety such gas City Hall takes no measures to improve possible to completely restore the city gas supply systems, it will be consider- the situation). distribution pipelines, In Russia, neither ably higher due to the gas control units The gas pipelines and equipment of the word itself in the given technological (GCU) the gas distribution systems are extremely sense nor the technique is used. And this Each of the users can set the value of worn out, but this fact in no way trou- is too bad as the given technique enables gas pressure that is required. This can be bles our municipal leadership and they solution of two major problems of pipe- done very accurately and a definite pres- behave as if all equipment would work line transportation: sure can be continuously maintained. continuously without any effort on their - increase of efficiency both in conIn Russian cities the users have no side. Most evidently that only accidents struction and in operation; their individual gas control units and or ensuing of the period of condition- ensure safety supply of gas to the user. the gas is fed from the gas control point, al operation can make them take any The "Gaz de France" company gives the gas pressure varying in continuous actions.
a good example. In Paris, polyethylene manner. The gas pressure is low and if nipes are drawn through all steel sound the gas consumption is big enough high The gas pipelines and other utili- and worn-out pipelines. Availability of hydraulic losses occur, which results in ties shall undergo restoration the polyethylene pipes of smaller diam- increased pressure at the gas control unit as soon as possible. Failure to eter inside the steel pipes makes it possi- output. act and delays in this sphere can ble to increase the pressure. It should be If the gas consumption is not big the result in global human and mate- noted that the control and safety devices pressure will increase at the gas-stove rial losses. Restoration ofthe gas are installed directly at the users'. inlet, its efficiency will go down and distribution system by drawing of If a polyethylene pipe is drawn the amount of hazardous emission will mew polyethylene pipes through the existing pipes is one ofthe In Europe, this problem is given most efficient technologies.
through a worn-out steel pipe we can increase. speak of reconstruction and the cost of such reconstruction is lower than that of mush more attention. replacement of the wom-out pipe with a new one.
When using the gas control units, it is the safety factor that becomes very Except for the low cost of single important. Ifgas is fed from the gas con- Hetonstruction of a steel pipe by drawing trol point, all users connected to it will be a polyethylene pipe through it, the cost affected, while in case of the gas control of operation and maintenance plummets unit, the accident risk is much more as well (and in this case we speak of dec- lower as only one user is connected to it.
ades of years!):
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Ответы на вопрос:
№1. Choose the correct answer.
1. Sue is very sociable. She is very friendly and enjoys talking to other people.
2. Mark is patient. He is able to stay calm and doesn’t get annoyed (раздражаться) when something takes a long time.
3. My sister is very curious. She asks a lot of questions and read a lot of scientific books.
4. Peter is the young boy with the spiky blond hair.
5. Mum and Dad both have dark tans.
6. My brother has got long hair.
7. What does she look like? She is pretty.
8. John gave up boxing two years ago. Now he plays basketball.
9. Helen gave away her book collection to the school library.
10. Give me back my skateboard!
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