Material and Code

We understand what they are, their purpose in the engineering community, and perform some basic research on their use and selection, instead of asking someone to do that for us.

Start here:

NACE International - Wikipedia, the free encyclopedia

I read many times of many NACE stds. but till donot understand how it check my dwgs or data from NACE and how I use it.

Keep checking, do your own homework!!

What is your education level and why do you not understand this?

Did you read the NACE standards?

If "we" need to ask, then "we" are not capable, given a wide range of possible answers.

Direct the question at the training provider attached to the facility instead.