Simple and inexpensive paint for fences. simple recipes

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FACTORY TECHNOLOGIES AT HOME - SIMPLE RECIPES
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Simple and inexpensive paint for fences. Simple recipes and tips

Factory technologies - simple recipes

Directory / Factory technology at home - simple recipes

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For fence coloring and so on. durable and at the same time inexpensive is the following composition. A dry mixture is prepared from 50 parts of chalk, 10 parts of some paint (ocher, umber, etc.), 10 parts of alum, 25 parts of dextrin and 5 parts of finely chopped soap. When used, the mixture prepared in this way is dissolved in cold or warm water to the desired density. Fences, etc. are covered with this paint. items.

The paint resists dampness and other atmospheric influences very well and is very durable.

Author: Korolev V.A.

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To maintain a figure, men should be less in the sun. This was found out by the staff of Tel Aviv University. Analyzing the statistics of a large medical project that collected various data on three thousand people aged 25 to 65, the researchers found that during the warm season, men consume 17% more calories than women.

The most obvious explanation here is that the sun somehow stimulates appetite, and only in men. Experiments with volunteers confirmed this: if men and women are specially brought out into the sun, and then asked how much they want to eat, it turns out that men feel more hungry after the sun. But women will not feel the difference - the sun does not excite additional hunger in them.

Appetite and the feeling of hunger depend on many physiological signals, including the hormone ghrelin, which is called the hunger hormone. (In general, there are several hunger hormones, but ghrelin is one of the most famous.) Ghrelin is synthesized in the stomach, from the stomach it enters the pituitary gland and hypothalamus, stimulating eating behavior, that is, it excites appetite, makes you focus on finding food, etc. Ghrelin levels rise before meals and, as it has now turned out, in the sun: in men who took a sunbath, the level of ghrelin in the blood increased (in women, its level in the sun remained the same).

The same thing happened to mice that were irradiated with medium-wave ultraviolet, or ultraviolet B. Medium-wave ultraviolet is part of the solar radiation reaching the earth's surface, and mice were irradiated with it in such a way that the exposure was equal to a half-hour dose of the sun on a clear noon somewhere on latitude of Mexico, Cuba or Florida. The mice were irradiated every day for ten days, and those males who received regular portions of UV light tried to eat more often than females or males who were not irradiated.

Ghrelin is synthesized not only in the gastrointestinal tract, it is also secreted by fat cells in the skin, and they secrete it under the action of the p53 protein. It is called the guardian of the genome because p53 monitors DNA damage: it either stimulates DNA repair or causes the cell to commit suicide so that it does not harm others with its mutations. Under the influence of ultraviolet activity of the p53 gene increases, because ultraviolet damages DNA. As a result, fat skin cells release more ghrelin. This is what happens in males; in females, the sex hormone estrogen suppresses the activity of the p53 gene, and the level of ghrelin in response to UV radiation does not increase in them.

It can be assumed that the same mechanism with dermal ghrelin and p53 works in humans. But so far, it is impossible to say this with certainty. Other experts point out that little attention is paid to people in general in this study. Here we need to conduct an experiment with a large number of participants, and we also need to carefully monitor additional factors that can tie together the sun and appetite in men. However, in any case, we should be more careful with the sun: although we get vitamin D thanks to it, no one has canceled sunburn and ultraviolet mutations in skin cells.

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Comments on the article:

N. K.
Back in the 50s, houses on the Don were painted with paints similar in composition to those described in the article. Basically, three colors were used: blue, red and yellow. Rarely green. I read somewhere that the recipes for these colors came to the Don from the foothills of the Caucasus. I remember that whey was an important component of these paints. Now there are no more people who remember their recipes. Maybe someone knows? Write!

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