Analysis of information sources in references of the Wikipedia article "Vacuum flask" in English language version.
"Thermos" LIVE For:DOUBLE-WALLED GLASS VESSELS WITH VACUUM BETWEEN THE WALLS
"THERMOS" LIVE For:Temperature-Retaining Vessels
"THERMOS" LIVE For:BOTTLES, JARS, DECANTERS, CARAFES, [ HIP FLASKS,] COFFEEPOTS, TEAPOTS, JUGS, LUNCH KITS, LUNCH BOXES, CARRYING CASES FOR BOTTLES [, AND DOUBLE-WALLED VACUUM FILLERS OF GLASS USED IN BOTTLES, JARS, CARAFES, JUGS, DECANTERS, COFFEEPOTS, AND TEA-POTS]