The world inventions; The history and the case of the troughs!

in Education9 months ago

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The troughs in the road have been there for a long time, and we are having systems here in a town, in a city of in a district. And these troughs are used for either commercial purposes or household purposes, and they were used to make a system for water and other things under the ground. And even a town like Kristiansand has the number of its existing date into the troughs, and the town was established in 1641 by king Christian the IV.

Where are the troughs found? We find them where there is a purpose for them. Troughs are found near low pressure areas while ridges are found near high pressure. Below is an example of what they tend to look like. Troughs and ridges are important features in predicting the weather. And therefore, we can find details in the troughs about how the weather will be in present and the future. And the past has passed. And low pressure means bad weather, and high pressure means nice weather, and we can do the research at many places in the world, and this is about how the weather develops, and that there are variations on how the weather is from place to place, and that has even been the history many places, and we are using statistics to find how places are, how they have been, and what is likely to happen in the future. And today we are using satellites in the world space to predict how the weather will be in the future, and therefore we can explain the weather with pretty high precision.We have different satellites that are predicting the weather, and the satellite called for GOES is much used, and it helps the people workiing with the weather to explain it in better ways.

Many public positions are about giving and taking messages, and get good dialogues at work, but the research studies are bad in these environments, and that is due to the duration of the education, and it should be long enough and not too short. And this is why we are meeting disturbances from area to area and from time to time.

Troughs are often used for draining systems, and the pollution can be from different sources, and we are working it to get the district, the town and the city to a clean and calm area, where people can live and work, and where peace and development are the core values for the society in question. And drains are also sewers. And the draining systems are under the troughs, and they should do the area where people live and work as pleasant as possible.

We should treat all the humanity with respect and dignity, and you are free to express yourself with the opinions and standpoints that you have, and each society should protect the population as good as possible, and not doing any attacks on the population if there are bad reasons for that.

Manhole covers are usually circular, but rectangular and square also exist. There are producers of manhole covers, and a round manhole cover cannot fall into a round basin, while a square manhole cover easily disappears if the manhole cover sets diagonally and vertically. There are standards in the world about how manhole covers should be, and we cannot just do whatever, but we must follow the rules and standards as good as we can, since there exist different solutions about what to do out in the reality.

This basic design for the manhole cover was in use from 3500 BCE through the 1750s-1850s CE. In the nineteenth century, modern manholes and the modern manhole cover were developed. Hence, there is an exciting story and history about the mamhole covers, and we should use the systems where we are, and we should use the best sytems as we can, with living, operating and working different places, and the troughs are used to take care of different things that we do not want to be visible at the ground, but we should hide them in the systems as we have.


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Sverre Larsen

Kristiansand, Norway


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