Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to finish pine floors [title] Clean all dust and debris from the floor. [step] The pine flooring should be completely clean of all dust, dirt, and small rocks. Depending on the size of your flooring, run a damp mop or a rag over the surface of the floor.

Ending1: If you have hardwood floors, sweep or dust thoroughly each surface. If you have wood floors, vacuum and remove all dirt, buildup, and debris. Ending2: You may want to remove any fallen snow or grit from your floor. [substeps] Some pine flooring may flake or crumble when you clean it with pine floor cleaner. Ending3: Vacuum the surface of the floor, dusting in the " bathroom " area as well. This can clean up any remaining dust that may have collected during the cleaning process. Ending4: Make sure to clean in the corners of the room and remove dust from any nooks or crannies. [substeps] If your floor has just been installed, it won't be covered in outside dirt.

Answer format: ending1/ending2/ending3/ending4