The glass bottle of the thermos has double walls. Why is air being pumped out of the space between them?
| April 8, 2021 | education
To minimize, as much as possible, heat exchange between the contents of the thermos and the environment. Those. to keep hot or cold drinks hot and cold for as long as possible.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
