With no explanation, label each line with "building-other", "O", "organization-other", "location-other", "location-GPE", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Throughout
this
period
the
Heavy
Engineering
Divisions
were
major
contractors
in
nuclear
power
,
being
involved
with
the
design
and
construction
of
reactor
vessels
for
most
British
stations
from
Calder
Hall
to
the
AGR
(
Advanced
gas-cooler
reactors
)
at
Hunterston
B
and
Hinkley
B
.
Throughout:O
this:O
period:O
the:O
Heavy:organization-other
Engineering:organization-other
Divisions:organization-other
were:O
major:O
contractors:O
in:O
nuclear:O
power:O
,:O
being:O
involved:O
with:O
the:O
design:O
and:O
construction:O
of:O
reactor:O
vessels:O
for:O
most:O
British:location-GPE
stations:O
from:O
Calder:building-other
Hall:building-other
to:O
the:O
AGR:building-other
(:O
Advanced:O
gas-cooler:O
reactors:O
):O
at:O
Hunterston:location-other
B:location-other
and:O
Hinkley:location-other
B:location-other
.:O