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.
MONEL is a group of alloys of nickel (from 52 to 67%) and copper, with small amounts of iron, manganese, …
Suppose you are going to do reverse engineering, that is, for example, you have a piece of unknown steel and …
The ASME Boiler and Pressure Vessel Code (B&PVC), is written to provide rules for the design, fabrication and inspection of …
