A double-walled insulating vessel with a vacuum between the walls to reduce the thermal conductivity of the material from which the flask is made
Access Our Online Courses
And Premium Content Now!
With a monthly subscription to BH Education, you’ll get access to
12 online courses, 600+ lessons, 200+ videos, powerful apps, online
calculators and lots more, to make online learning easy.
Знакомство с BARISTA HUSTLE
УЧЕТНАЯ ЗАПИСЬ & ПОМОЩЬ
Copyright © 2021 Barista Hustle, All Rights Reserved!