"Vacuum flask" . "thermos flasks" . . . "Dewar" . "vacuum bottles" . . . "dewar" . . . . "thermal" . "vacuum flask" . "Flasks" . . . "thermos" . . "double-wall vacuum insulation" . "\\\"thermos\\\"-type" . "dewars" . . . "vacuum insulated flasks" . "Thermos flask" . "thermos bottle" . . . . "thermos flask" . "insulated containers" . . . "Vacuum_flask#Modifications" . "Vacuum bottles" . "Thermos" . "Vacuum-Insulated" . . "Vacuum flask" . . "flask" . "Dewar flask" . . "Thermos bottle" . . .