Fact 1: Sharpening an object causes that object to change shape.

Fact 2: An electric sharpener removes too much metal and often causes waves.

Given the two facts above, answer the question "What is one way an object's shape can be changed?" with the following options: 
- by indirect light
 - reflecting light
 - talking to it
 - alchemy
 - Through play
 - permineralization
 - removing material
 - stasis


 

       removing material  