Related tags:
- ruler scale
- ruler
- measuring scale
- length
- measurement
- centimeter
- school supplies
- math symbols
- engineering drawing
- mathematics
- school tools
- school equipment
- school objects
- learning tools
- education
- mathematics numbers
- scale
- school education
- learning
- number line
- education symbol
- school
- school symbol
- school drawing
- equipment
- plastic
- engineering tools
- drawing tools
- engineering
- transparent plastic
- blue stripes
- number
- tools
- plan
- transparent
