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Definitions for
"FLTS"
Keywords:
squadron
,
flight
,
test
Flight Test Squadron
aeronautics.ru
Keywords:
labels
,
flat
,
contents
,
mail
,
dimensions
An abbreviation used on mail container labels that identifies the contents as flat-size.
pe.usps.com
Fl ts (flat-size mail) - A code used on mail container labels that identifies the contents as flats (mail pieces that exceed on of the dimensions for letter-sized mail). See Flats.
lowers.com