With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
work
force
increased
to
60,000
workers
by
1944
,
from
25,000
during
non-military
production
;
during
the
conflict
the
works
produced
18,000
tanks
,
and
48,500
tank
diesel
engines
as
well
as
over
17
million
units
of
ammunition
.
The:O
work:O
force:O
increased:O
to:O
60,000:O
workers:O
by:O
1944:O
,:O
from:O
25,000:O
during:O
non-military:O
production:O
;:O
during:O
the:O
conflict:O
the:O
works:O
produced:O
18,000:O
tanks:O
,:O
and:O
48,500:O
tank:O
diesel:O
engines:O
as:O
well:O
as:O
over:O
17:O
million:O
units:O
of:O
ammunition:O
.:O