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.
Special technical terms and their definitions (terminology) are a crucial part of every standard. These terms and their definitions specific to the standard must be crafted very carefully to avoid ambiguity. ISO and IEC maintain terminological databases at the following …
Critical Minerals List Reference: U.S. Geological Survey, 2023
