Question: How do you make sure a shelf is straight before hanging it?
Options:
Make a mark where you would like to place the fasteners for the shelf. Hold your shelf up in that area and place a level on it.
Make a mark where you would like to place the fasteners for the shelf. Hold your shelf upside down in that area and place a level on it.
Answer: Make a mark where you would like to place the fasteners for the shelf. Hold your shelf up in that area and place a level on it.