What does SIGMA stand for?
SIGMA stands for "Shielded Inert Gas Metal Arc"
How to abbreviate "Shielded Inert Gas Metal Arc"?
"Shielded Inert Gas Metal Arc" can be abbreviated as SIGMA
What is the meaning of SIGMA abbreviation?
The meaning of SIGMA abbreviation is "Shielded Inert Gas Metal Arc"
What does SIGMA mean?
SIGMA as abbreviation means "Shielded Inert Gas Metal Arc"
