Вопрос № 800604 - Английский язык

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1 _______. It consists of a transducer probe, computer, LCD monitor, keyboard, and printer. 2 _______. The computer includes a CPU which processes the data from the transducer to produce an image. 3 _______. It also contains a hard disk which stores the image along with patient details and other information. This information is keyed in by the keyboard.
4 _______.

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Nails are generally made of plain steel. 1 _______. Practically, nails are sharpened metal pins driven into wood with a hammer or a mechanical nail gun. 2 _______. Among them common nails and finish nails are the two types most frequently used for fastening. 3 _______. The main property of finish nails is that they are headless. 4 _______.

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Mixing small wires with enlarged ends into concrete increases the material’s strength and hardness, according to research performed at the National laboratory, Los Alamos, New Mexico.
Researchers found that when bone-shaped wires 25 mm long were added in amounts equal to just 1 percent of the concrete’s volume, the strength increased by as much as 84 percent. The concrete was also 93 times harder.
Straight steel wires have been used to reinforce concrete for several decades. But wires of this kind bond only weakly with the concrete at their ends. Besides, it turned out that straight wires can also snap under high stress without much bending or stretching. In stress tests concrete containing the wires with bulbous ends became even stronger after the first cracks appeared as the load was transferred to the wires.
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Straight steel wires have been used _______.

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The plant where high-density polyethylene pipe is being manufactured needed repairs to its pipe storage area. The repairs became necessary because the stone layer did not shed water and it caused cracks. The cracking of storage pavement area made it necessary to stabilize the site.
So it became necessary for engineers to look for a way that would be economical and would not require shutting down the operating area of the plant. After testing a number of alternatives, it was decided to use polypropylene fibres for the purpose. It was found out that when being mixed with soil the fibres produce the necessary stability. The way the engineers proposed turned out to be economical and quite successful.
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It was found out that _______.

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The new concrete pipe being manufactured may be classified as the benchmark of industry. Among other excellent qualities, it possesses the highest structural strength compared with any sanitary sewer.
What are the main characteristics of the pipe that make it so popular? These are advanced concrete mix design, and steel reinforcement. High quality manufacture processes allow the pipe to be used in any site conditions, from shallow fills to deep bury situations. Strength, concrete’s pipe’s durability and its versatility are the main properties that are combined in the pipe. They produce the technology one can trust.
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Strength, concrete’s pipe’s durability and its versatility _______.

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Nowadays suspended ceilings have become a very popular and economical feature in many types of buildings. The most numerous among these buildings are office and laboratory structures. Many of them install and maintain complex mechanical and electrical installations above the ceiling. These installations include air conditioning ducts, water and waste piping and electrical and communications wiring. They also include such services as fume ducting, vacuum piping, fuel gas lines, compressed air lines, water piping, and chemical waste piping. All these ducts and pipes occupy a considerable space in the building. In some of them they may be equal to the amount of their living space.  
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All these ducts and pipes _______.