Text providing specialized knowledge on semi-automatic welding technology. - Title: JIS Z 3841 Semi-Automatic Welding Technician Training Text - Editor: Edited by the Japan Welding Society - Contents: A text covering the technology and knowledge related to semi-automatic welding. The top of the book has some folds, etc. Please check the 2nd, 5th, and 6th photos for confirmation ☆ The inside is very clean. Shipping is planned via Yu-Yu Mercari mail with simple packaging (will be protected from moisture) ☆