Question 1
The welding by flame is :
A very powerful process
A difficult process
Question 2
The welding by flame can be realised :
In all positions
In flat
In cornice
Question 3
The molten bath it's protected for :
Avoid a reaction betxeen the molten steel and and the air
Speed up the melting
Question 4
What is the first thing to do when tou want to weld something ?
Put protection for your body
Positioning and fixing the pieces
Question 5
The welding by flame is :
More expensive
Simple
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