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... father.
Yang Lan took a pencil and gave a demonstration to him: "Look, we are measuring a node of one centimeter, and point a point on both sides, then use the ruler to face the two points and put a centimeter. The dividing line is drawn."
"Next, it's very simple. We took it around the previous consideration and applied it to the stick with double-sided tape. Next, we took the next note and covered it along the line we painted before. Is this enough to ensure that the scale of eac ...
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