Keeping
your
____________________
in
their
case
when
not
to
use
____________________
them
from
____________________
.
Putting
the
____________________
face
____________________
on
a
hard
____________________
can
also
____________________
them
.
Use
____________________
hands
when
____________________
glasses
on
.
That
helps
to
keep
them
from
____________________
.