Technology
issues
during the
presentation
N
G
N
G
O
O
B
O
I
B
G
G
I
B
B
N
B
O
I
I
G
N
O
I
Size:
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Start
N
History
Start
N
G
N
G
O
O
B
O
I
B
G
G
I
B
B
N
B
O
I
I
G
N
O
I
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