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Task 3. Complete the sentences using the words in the box. You will need to use one word twice.
compression, deformation, elongation, extension, tension
1. A stretching force is called
2. A crushing force is called
3. Extension is also called
4. Tension causes .. or
5. Tension or compression cause
Task 4. Match the tivo parts to make correct sentences.
1. If a material is stiff
2. If a material is brittle
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3. If a material is plastic
4. If a material yields
5. If a material fractures
6. If a material is elastically deformed ...
a) it is malleable and/or ductile.
b) it has low elasticity and low tensile strength.
c) it has low elasticity and high tensile strength.
d) it has been extended to a point before its elastic limit.
e) it has been loaded beyond its ultimate tensile strength.
1) it has been significantly plastically deformed, but not broken.​

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ОляОля123456789
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Ответ а - a black dog у боба есть питомец. он не большой. но сильный. он черный. он умеет бегать, прыгать и плавать. он не умеет летать. он не любит кукурузу. он любит мясо.

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