1) Density is measured in kilograms per cubic meter.
2) Most materials have a higher density than water and sink in water.
3) The density of the material is very important, especially in aviation.
4) Young's modulus is the ratio of the applied force to the elastic deformation of a given material.
5) The more rigid the metal, the less it deforms under load.
6) when the metal is stretched, it first flows, that is, it is plastically deformed.
7) Lead, copper, aluminum and gold are the most malleable metals.
8) Creep resistance is a very important property of materials used in aircraft engines.
Объяснение:
1. There are a lot of dictionaries in the world.
2. Teachers usually ask their students to have a vocabulary to write down new words into it.
3. Please, give me that big dictionary from the shelf.
4. Everyone who learns English, is supposed to be aiming to extend his or her vocabulary.
5. There is a vocabulary at the end of our textbook.
6. You can learn a lot about the language if you open a dictionary.
7. Pushkin's vocabulary is different from Gogol's vocabulary.
8. How many words are there in the english dictionary?