This is a very challenging contest for me and I have made one entry here.
https://hive.blog/hive-154984/@idayrus/unique-hot-water-thermos-or
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https://hive.blog/hive-154984/@idayrus/unique-hot-water-thermos-or
Hi @idayrus,
It looks unique, I've never seen that before. What is the function of the red button above the cover?
it's function is to open and close the cover