Welding questions What is fish scale welding, how to transport the rod to weld out?

Electric welding is basically fish scale welding, the so-called fish scale welding is: the molten iron in the welded object after the formation of the shape of the fish scale. (A piece of pressure a piece and thickness and width of uniform)

Long seen transport bar method: point, pull, push, swing ...

Specific will not be introduced one by one, cell phone typing trouble, have time to chat, hope to adopt.