Classify the Tools and Materials of Technical DrawingOnline version In this activity, you will sort various items related to technical drawing into two categories: Materials (e.g., paper, erasers) and Tools (e.g., compasses, rulers). Drag and drop each item into the correct category to test and improve your understanding of the essentials of technical drawing. Let’s see if you can classify them all correctly! by Marta Alcaraz González 1 Tools for graphic expression 2 Materials for graphic expression Compass Protactor 45 Set square 30/60 Set square Ruler Paper Eraser Pencil