<s>
A	O
mercury	B-Algorithm
swivel	I-Algorithm
commutator	I-Algorithm
is	O
an	O
electrical	O
commutator	O
typically	O
used	O
in	O
electrophysiological	B-Application
experiments	I-Application
on	O
head	O
free	O
or	O
moving	O
animals	O
.	O
</s>
<s>
OEM	O
machinery	O
manufacturers	O
are	O
discovering	O
the	O
benefits	O
of	O
using	O
a	O
mercury	B-Algorithm
swivel	I-Algorithm
commutator	I-Algorithm
in	O
their	O
designs	O
.	O
</s>
<s>
Many	O
OEM	O
machinery	O
manufacturers	O
have	O
switched	O
to	O
using	O
mercury	B-Algorithm
swivel	I-Algorithm
commutators	I-Algorithm
for	O
reliable	O
and	O
accurate	O
temperature	O
control	O
.	O
</s>
<s>
Multiple	O
channel	O
mercury	B-Algorithm
swivel	I-Algorithm
commutators	I-Algorithm
are	O
used	O
for	O
this	O
purpose	O
.	O
</s>
