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 ":".
In
the
mid
2010s
,
a
fourth
flue
stack
coupled
with
a
scrubber
(
for
FGD
)
and
additional
pollution
control
devices
(
including
an
SCR
system
for
reduction
)
were
connected
to
generation
block
2
of
the
station
,
significantly
reducing
the
amount
of
particulate
pollution
emanating
from
the
block
.
In:O
the:O
mid:O
2010s:O
,:O
a:O
fourth:O
flue:O
stack:O
coupled:O
with:O
a:O
scrubber:O
(:O
for:O
FGD:O
):O
and:O
additional:O
pollution:O
control:O
devices:O
(:O
including:O
an:O
SCR:O
system:O
for:O
reduction:O
):O
were:O
connected:O
to:O
generation:O
block:O
2:O
of:O
the:O
station:O
,:O
significantly:O
reducing:O
the:O
amount:O
of:O
particulate:O
pollution:O
emanating:O
from:O
the:O
block:O
.:O