With no explanation, label each line with "product-airplane", "O", "other-astronomything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
From
1948
until
1952
,
these
were
tests
of
strength
of
construction
for
aviation
equipment
such
as
CSS-10
,
CSS-11
,
CSS-12
,
LWD
Junak
2
,
as
well
as
elements
of
the
helicopter
BŻ-1
GIL
and
gliders
Sęp
,
Jastrząb
,
and
Jaskółka
.
From:O
1948:O
until:O
1952:O
,:O
these:O
were:O
tests:O
of:O
strength:O
of:O
construction:O
for:O
aviation:O
equipment:O
such:O
as:O
CSS-10:other-astronomything
,:other-astronomything
CSS-11:other-astronomything
,:O
CSS-12:other-astronomything
,:O
LWD:other-astronomything
Junak:other-astronomything
2:other-astronomything
,:O
as:O
well:O
as:O
elements:O
of:O
the:O
helicopter:O
BŻ-1:product-airplane
GIL:product-airplane
and:O
gliders:O
Sęp:product-airplane
,:O
Jastrząb:product-airplane
,:O
and:O
Jaskółka:O
.:O