Question: Once you have applied etching cream to glass, what must you do before you can begin etching?

  Options: 
 A. Rinse the glass under cold water to remove any remaining etching cream. Then, peel the contact paper from the surface of the glass.
 B. Rinse the glass under boiling water to remove any remaining etching cream. Then, peel the contact paper from the surface of the glass.
Answer: A