22.8 MB (674.6 KB compressed)
2304 x 3456 pixels
19.6 x 29.2 cm ⏐ 7.7 x 11.5 in (300dpi)
CORDELIA MOLLOY / SCIENCE PHOTO LIBRARY CORDELIA MOLLOY / SCIENCE PHOTO LIBRARY
Thermos flask. Thermos flasks keep hot drinks warm and cold drinks cool. They comprise an outer container and an inner container separated by a vacuum. The vacuum reduces heat transfer from the interior to the exterior of the flask. Modern types are usually made from stainless steel and plastics.
Model release not required. Property release not required.