<s>
The	O
TreadPort	B-General_Concept
Active	I-General_Concept
Wind	I-General_Concept
Tunnel	I-General_Concept
(	O
also	O
known	O
as	O
the	O
TPAWT	O
)	O
is	O
a	O
unique	O
immersive	O
virtual	B-Application
environment	I-Application
that	O
integrates	O
locomotion	O
interfaces	O
with	O
sensory	O
cues	O
such	O
as	O
visual	O
,	O
auditory	O
,	O
olfactory	O
,	O
radiant	O
heat	O
and	O
wind	O
display	O
.	O
</s>
<s>
The	O
TPAWT	O
augments	O
the	O
Sarcos	O
Treadport	O
consisting	O
of	O
the	O
Cave	O
automatic	O
virtual	O
environment(CAVE )	O
with	O
a	O
subsonic	O
wind	O
tunnel	O
built	O
around	O
the	O
user	O
environment	O
,	O
and	O
adds	O
wind	O
to	O
the	O
virtual	B-Application
environment	I-Application
.	O
</s>
<s>
The	O
Treadport	B-General_Concept
Active	I-General_Concept
Wind	I-General_Concept
Tunnel	I-General_Concept
is	O
one	O
of	O
the	O
first	O
virtual	B-Application
environments	I-Application
to	O
include	O
wind	O
into	O
the	O
sensory	O
experience	O
of	O
the	O
user	O
.	O
</s>
