Thank all of you for your replies. I get it now: the leading edge of the puddle is toward the direction of travel, pull or push.

This WT&T video helps, starting at about 17 seconds: :https://www.youtube.com/watch?v=ods6Jp7hEh0&t=118s

Regards,
Ray

I am just getting started, learning at home using WT&T video and some Lincoln Electric books. I am right handed. Please clarify: While Mig welding on horizontal flat plate pulling from left to right, is the "leading edge of the puddle" on the (1) left side of the electrode or (2) on th...