Flat
Vertical
Horizontal
Overhead
diameter of its core wire
diameter (overall) of electrode
thickness of flux coating
length of electrode
to increase welding current
to stabilize the arc
to prevent rusting
to control arc temperature
350 mm and 250 mm
350 mm and 450 mm
400 mm and 500 mm
18" and 10"
Red for oxygen and blue for acetylene
Black for oxygen and red for acetylene
Black for oxygen and maroon for acetylene
Red for oxygen and maroon for acetylene
Black for oxygen hose and maroon for acetylene hose.