The child
Takes one bank with solution and accurately shows how by means of a pipette it is necessary to take some drops from banks and to drop them on a spoon.
It is important to show accurately how to handle a pipette as this action is unusual.
The child tries.
In the same way the teacher arrives with other banks.
The child learns, chto liquids happen various taste.
Then the teacher enters other banks.
Banks which contents are identical to taste, are put by a row with each other.
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