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.
خواندن بعدی
بعضی وقتها پیش میآید کلی کتاب و هندبوک و مقاله و وبسایت را زیر و رو میکنید و آخرش آنچه …
From the time that ASME’s founders, Henry R. Worthington, Alexander Lyman Holley, and John Edson Sweet, gathered in New York City for the first time in 1880 until today, ASME standards have changed over the years to include new construction …
This presentation has been prepared to be used as a guide for validating the welding procedure specification (WPS)/procedure qualification record …
