With no explanation, label each line with "product-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
These
design
changes
and
subsystem
simplifications
,
along
with
the
adoption
of
aircraft
maintenance
philosophies
,
could
reduce
the
HL-20
preparation
man-hours
to
less
than
10
percent
of
the
Space
Shuttle
Orbiter
's
requirement
.
These:O
design:O
changes:O
and:O
subsystem:O
simplifications:O
,:O
along:O
with:O
the:O
adoption:O
of:O
aircraft:O
maintenance:O
philosophies:O
,:O
could:O
reduce:O
the:O
HL-20:product-other
preparation:O
man-hours:O
to:O
less:O
than:O
10:O
percent:O
of:O
the:O
Space:product-other
Shuttle:product-other
Orbiter:product-other
's:O
requirement:O
.:O