Rulers and triangle with inches, centimeters and millimeters scales set

Related tags:

• ruler scale
• ruler
• measure
• mathematics
• school stationery
• outline
• scale
• elementary school
• stationery
• school tools
• education
• triangle
• school
• study
• tools
• geometric triangle
• shapes
• drawing line
• number
• geometry
• drawing
• line shape
• geometric lines
• contour
• contour lines
• equipment
• collection
• line
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