A Brand of Vacuum Flask That Keeps Drinks Hot
This page is the CodyCross answer for the clue below from Past and Present Tech, Group 1457, Puzzle 4 (Digital Camera).
Question is: A Brand of Vacuum Flask That Keeps Drinks Hot
and the answer is: THERMOS
Word Meaning:
THERMOS — A bottle, flask or similar vessel having a vacuum between its inner and outer silvered walls; designed to maintain the temperature of its contents
Definitions from Wiktionary.