this is my private data, i just want to translate some of documents that i just find on the internet into my language to easy to learn, so if anyone have the same native language with me they can use my book.
thanks for all
Guide to understanding welding procedure specification (wps
1. Guide to understanding Welding
Procedure Specification (WPS),
Procedure Qualification Record
(PQR), and Welder Performance
Qualification Record (WPQR)
by Nguyen Van Tuan
QA/QC Engineer