welding symbols Flashcards
1
Q
A
c
2
Q
A
d
3
Q
A
b
4
Q
A
c
5
Q
A
a
6
Q
A
d
7
Q
A
a
8
Q
A
d
9
Q
A
d
10
Q
A
b
c
d
b
c
a
d
a
d
d
b
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