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コイン磨き !!
Shiny new coins !!
Today is Science Day!!
The color of the bronze statue
has changed a lot...
Everybody is wondering
how to clean the bronze coins...
"Hmmmm. I think it`s going to be...."
"Let`s put some coins
into the 3 different solutions."
Now, leave them in for a while...
What`s going on?...
"Look, the one in the vinegar
and salt is getting cleaner!!"
Brushing the coins.
"That`s really clean!!"
"We thought the soap would clean it! "
"See, It`s all bright and shiny!!"
"We all had a lot of fun!!"