Before the spread of the Internet, everyone dealt with letters and stamps. One of the pastimes of that time was to separate the stamp from the envelope and keep it. I also had a stamp album when I was a teenager. Therefore, it is not strange that when I started my career as a welding engineer, I looked for the connection between postage stamps and welding.
The file below is the result of that effort.
PS: Unfortunately, I have not written down the references that I used.
ریاضیات خوشبختی / اسکات گالووی / فرخ بافنده / انتشارات بذر خرد / 172 صفحه چه شغلي بايد انتخاب كنم؟ …
Within the testing community, NDE is not the only term used to describe the method in question. People have varied the terminology based on their specific application and information derived from the test. The terms are similar but with subtle …
These resources present topics on the materials selection which will give a better understanding on the selection methods and then …
