When I started working at an engineering company, I fully understood that performance of an engineer depends on myriad factors. At the same time, I saw these two images in one of Joseph Edward Shigley’s books and saved them.
These resources present topics on the materials selection which will give a better understanding on the selection methods and then …
What is the etymology of the elements in the periodic table? Like any discipline of science, chemistry has its own …
امپراتوری “زمخت و سنگین” آهن و فولاد رو به افول گذاشته و غیرآهنی ها و رنگین ها و کمیاب ها …
