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Countersinking - what is it?

The technological process of changing the sizes and shapes of parts, as a rule, cannot do without such a type of machining as countersinking. Translated from German, the word means "pass or deepen." More precisely, this is a process during which the diameter of the holes is increased. It can be compared with reaming. Countersinking is a mechanical operation during which holes are drilled in order to improve their quality and accuracy.

2019-12-08 11:44

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The Truth About George W. Bush Nuclear Carrier: Description, Features and History

The article tells the story of the creation of the aircraft carrier "George W. Bush" from the first draft to sea trials, its characteristics and main differences from similar vessels are considered.

2019-12-08 11:44

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Can I eat acorns and what is the use of them for a person

Acorn, an oak nut, has a high content of nutrients and nutrients necessary for human health. Many people do not consider it food, although the cuisines of certain countries have used acorns for centuries to prepare delicious dishes. Of particular value is the nut of the oak among the indigenous people of North American countries and among Koreans. Is it possible to eat oak acorns to a person, what benefits they bring, read the article.

2019-12-08 11:44

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Elastic and inelastic demand, the concept of elasticity

The force with which the demand changes depending on various factors is called the “elasticity of demand”. There are several types of such elasticity: price, cross and income elasticity. Each type has its own characteristics.

2019-12-08 11:44

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Barley (cereal): description, cultivation technology, varieties, application

One of the oldest cereal crops is barley. This agricultural plant was cultivated by man more than a hundred years ago. Barley groats is a source of health, beauty and youth, as it is rich in substances necessary for the human body. Barley (cereal) is widely used in the food and brewing industry, it is used as a therapeutic agent, animals are fed with it, and used for technical purposes.

2019-12-08 11:44