Firewood, rice, oil, salt, soy sauce, vinegar, and tea. Part 1

Firewood, rice, oil, salt, soy sauce, vinegar, and tea.
One can’t live without salt.
And saltiness heads the list of all tastes.
Legend goes that the tribal leader Susha “boiled the sea water to get salt”,
and then did we have varieties of it from the sea, lakes, and wells.
It is as trivial as a kitchen seasoning, and as vital as a nation’s economic lifeline.
From a grain of salt,
one may take a glimpse of the Chinese history.