<s>
Manufacturers	O
frequently	O
build	O
computer	B-Device
keyboards	I-Device
using	O
switches	O
from	O
original	O
equipment	O
manufacturers	O
(	O
OEMs	O
)	O
.	O
</s>
<s>
The	O
switches	O
used	O
determine	O
the	O
feel	O
of	O
the	O
keyboard	B-Device
.	O
</s>
<s>
On	O
the	O
custom	O
mechanical	O
keyboard	B-Device
space	O
there	O
are	O
far	O
greater	O
quantity	O
of	O
keyboard	B-Device
switches	O
.	O
</s>
