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[font=Microsoft YaHei]A ruler is used to draw line segments(Especially straight ones)The tools for measuring length are generally divided into tape measures, vernier calipers, square rulers, and rulers. A ruler has precise straight edges for measuring length and drawing. A slide rule is a calculation tool. A tape measure is commonly used to measure parts of the human body. Vernier calipers are used to measure relatively small things with precision. Do you like this creative cat ruler?[font=Microsoft YaHei]
[font=Microsoft YaHei]
[font=Microsoft YaHei]
