Question

examples of thermos flask​

Answer 1

Answer:

Thermos flask - example

The glass vessel is enclosed by a metal or plastic cover for protection against damage. The space between the walls is vacuum which reduces the heat loss due to conduction and convection. The outer surface of the inner wall and the inner surface of the outer wall are silvered

Answer 2

Answer:

stainless steel tharmus is the example of thermoflaak