<s>
Mechanical	B-Application
systems	I-Application
drawing	I-Application
is	O
a	O
type	O
of	O
technical	B-Application
drawing	I-Application
that	O
shows	O
information	O
about	O
heating	O
,	O
ventilating	O
,	O
air	O
conditioning	O
and	O
transportation	O
around	O
the	O
building	O
(	O
Elevators	O
or	O
Lifts	O
and	O
Escalator	O
)	O
.	O
</s>
<s>
After	O
the	O
mechanical	B-Application
drawings	I-Application
are	O
complete	O
,	O
they	O
become	O
part	O
of	O
the	O
construction	B-Architecture
drawings	I-Architecture
,	O
which	O
is	O
then	O
used	O
to	O
apply	O
for	O
a	O
building	O
permit	O
.	O
</s>
<s>
It	O
is	O
encouraged	O
to	O
either	O
take	O
two	O
additional	O
years	O
of	O
training	O
in	O
drafting	O
school	O
after	O
high	O
school	O
or	O
attend	O
a	O
four-year	O
college/university	O
to	O
develop	O
better	O
technical	O
skills	O
and	O
gain	O
more	O
experience	O
with	O
CAD	B-Application
(	O
computer-aided	B-Application
design	I-Application
)	O
.	O
</s>
<s>
The	O
test	O
assesses	O
the	O
drafter	O
's	O
skill	O
in	O
basic	O
drafting	O
concepts	O
:	O
geometric	O
construction	O
,	O
working	B-Application
drawings	I-Application
,	O
and	O
architectural	O
terms	O
and	O
standards	O
.	O
</s>
