<s>
In	O
optical	B-Device
disc	I-Device
manufacturing	O
,	O
replication	B-Device
is	O
the	O
process	O
of	O
producing	O
discs	O
via	O
methods	O
that	O
do	O
not	O
involve	O
"	O
burning	O
"	O
blank	O
CD	B-Device
,	O
DVD	O
or	O
other	O
discs	O
;	O
the	O
latter	O
is	O
known	O
as	O
duplication	B-Application
.	O
</s>
<s>
The	O
replication	B-Device
of	O
optical	B-Device
discs	I-Device
involves	O
:	O
</s>
<s>
the	O
creation	O
of	O
a	O
glass	B-Device
master	I-Device
from	O
a	O
client	O
original	O
master	O
.	O
</s>
<s>
the	O
creation	O
of	O
a	O
nickel	O
stamper	O
from	O
that	O
glass	B-Device
master	I-Device
.	O
</s>
