The vacuum flask has a strong casing, which won't crack or chip.
How it got here: Scottish chemist and physicist Sir James Dewar invented the vacuum flask Iin 1892 as a way to keep liquid nitrogen from warming up and turning into gas in his lab.
There is a vacuum flask on the damask table - cloth.
flask of glass for domestic use (excl. vacuum flasks and leather-covered flasks)
vacuum flask, complete with cases
A vacuum flask keeps cool drinks cool and hot drinks hot.
vacuum flask in bamboo casing
Set up in 1995, Xinduo Cups Co., Ltd is specialized as an stainless steel vacuum flask manufacturer.
Main products are: the ice thermos bottle, plastics, vacuum flask, stainless steel heat kettle, coffee pot, pneumatic iron shell, etc.
inner glass for vacuum vessels (excl. those transformed by a casing or any other kind of protective envelope into vacuum flasks or other vacuum vessels)
Let's start with this vacuum flask for keeping drinks hot.
vacuum flask in metallic casing with aluminium shoulder and cap
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