Well head The term Header is defined, in industry as all permanent equipment between the upper portion of the surface cladding and the adapter flange (adapter flange). The flow section (christmas tree)

In life, ​there are ups and downs but this is a $% & + View post on dMania

The universe is one of the last frontiers, unexplored, by man, its vast size, and its dense darkness, provoke in those who fix their gaze on him, a feeling of curiosity, which leads them to investigate

Hola a todos mis queridos Steemians, tenia un tiempo alejado de las publicaciones en mi idioma natal, pero quiero en esta oportunidad traer un relato, espero sea de su agrado. Fuente Ya son las 6 de la

Hello everyone in Steemit, today I want to talk about the particle accelerator, a device that people know very little, but which is really interesting because in the issue of nuclear development and its

A very special greeting, to all those who follow my contributions to the community, I had not done it before, but I want to thank you all for your support, all those who have given their vote of confidence,

Source Black holes ​are active phenomena in space, many people have given to the task, trying to explain or understand more depth everything that refers to them, how are they? ​what is inside?​ Where are

Hello everyone at Steemit, it is an honor for me to write again for you, I want to speak at this opportunity, of a topic that in my opinion is very important, due, basically to the changes that day by

Hello to all my dear Steemians, this time I want to talk about a topic, which in my opinion, is very, very interesting, the engine of space rockets. And it causes concern to imagine, the large amount of

Some flowers that I thought were beautiful, and I could not stop photographing them. This series was taken from my garden, I did not know that at this time of the year they would bloom so beautiful. Of

The tragic chain of events that began with an earthquake of enormous magnitude, which was followed by a tsunami that devastated part of the northern part of Japan and, in turn, damaged the cooling systems

Hello again my dear Steemians, in this opportunity, I bring before you, the second part, a post that I think has, besides much potential, a lot of fabric to cut, and that is the issue of Nuclear Energy,

Hola nuevamente mis queridos Steemians, en esta oportunidad, traigo ante ustedes, la segunda parte, de un post que me parece tiene, ademas de mucho potencial, mucha tela que cortar, y es que el tema de

DNA is the acronym of deoxyribonucleic acid, is an organic compound that contains the genetic information of a living being and some viruses, in prokaryotic cells and in the nucleus of eukaryotic cells,

Hola a todos en Steemit, quiero aprovechar esta oportunidad para agradecer a los fundadores de @steemSTEM y a todos lo que participaron, en esta excelente iniciativa, de crear la etiqueta de @stem-español,

Solar energy is what reaches the Earth in the form of electromagnetic radiation from the Sun, where it is generated by a process of nuclear fusion. Source In the Sun, nuclear fusion reactions take place

Hello my dear Steemians, I want this time to bring to the blackboard, a theme that I'm sure you're going to like it, ecause I think it has its degree of controversy, since in the world there have been

Hello everyone. Finally we have reached the end of our list of 15 animals in danger of extinction, with these last 5 culminate this work that others have tried to present, I do not know if the fact that

Hello my dear Steemians, I present the list of the following, 5 species of animals, which are in the process of extinction, a few days ago published the first of a series of 3 publications, in which I

Hola mis queridos Steemians, hoy quiero compartir con ustedes una corta historia, que lleva consigo una importante reflexión, espero les agrade. El Rabino y el Escorpión. Era un día lluvioso y algo frío,