The
Gallery's
Conservation
Department
performs
one
of
the
Gallery's
____________________
functions
,
the
long
-
term
preservation
of
all
Collection
items
,
to
make
them
____________________
now
and
in
future
.
The
Collection
dates
from
the
8th
century
to
the
present
day
,
and
____________________
of
portraits
in
____________________
variety
of
media
,
so
the
Gallery
employs
Conservators
with
____________________
in
a
range
of
____________________
,
including
Framing
,
Painting
,
Paper
,
Sculpture
and
Photography
.
