$.$ Select the function$($s$)$ of the paper clip that make it work.

Note: You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.

check all that apply $1$

Number of papers it can hold

Strength of the material

Color of the clip

Shininess of the clip

Smoothness of the clip