How are elbows, tees, etc. indicated in the material list of the lining pipe piping diagram?
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How are elbows, tees, etc. indicated in the material list of the lining pipe piping diagram? What do the following symbols represent in the image?
What does this thickness mean?
For example: the part marked in yellow at the beginning represents the specifications, while the blue value thereafter indicates the thickness tolerance range
I took another look; the values at the end don’t seem to be within the tolerance range