Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to expose brick [title] Test the wall you wish to expose the brick on. [step] Chip a hole in the plaster until you can see the brick and what condition it is in. Brick was a common construction material in the 19th century, but sometimes the quality was not always the best.

Ending1: Taking a look at your wall and determine if it's capable of being installed in a brick fireplace. A brick wall that is not one of these values will take longer to build. Ending2: At minimum you need a 3-blade masonry saw if your work surface is clay. Use it as needed to make your hole. Ending3: By testing a small area, you can see if the brick underneath is worth exposing. The brick should not crumble or break when you touch it and should be free of any major cracks. Ending4: [substeps] Chip open a brick and check the face of the wall next to it. If it breaks apart easily, it is one of those bricks that needs to be exposed to things like air fresheners.

Answer format: ending1/ending2/ending3/ending4