The concept of using an external shielding gas for welding was experimented with by H. M. Hobart and P. K. Devers in the late _____.

Question

The concept of using an external shielding gas for welding was experimented with by H. M. Hobart and P. K. Devers in the late _____. ​

Quizplus · Accepted Answer

The concept of using an external shielding gas for welding, which is a fundamental aspect of many modern welding techniques, was experimented with by H. M. Hobart and P. K. Devers in the late 1920s. This innovation helped to improve the quality and efficiency of welding processes.

The Concept of Using an External Shielding Gas for Welding