Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean altro flooring [title] Sweep and vacuum the floor. [step] Use a push broom and a dustpan or a vacuum to remove all of the loose dirt and debris from off the surface of the floor. Doing this before applying a cleaning solution will make cleaning the floors easier.

Ending1: [substeps] For floors that are headed for wood, scrape all soap and natural oils from the floor at the beginning of each sweep. For floors that need to be cleaned a lot, use a handheld vacuum. Ending2: [title] Mix an alkaline cleaning solution with warm water in a bucket. [step] You can purchase these cleaners online or at a store that specializes in floor cleaning. Ending3: Wipe with a broom or vacuum included with your cleaning kit, which can be purchased at most hardware stores or online. [substeps] Grab the cleaning comb and dustpan you normally use to sweep the floor. Ending4: [substeps] You should also vacuum on a low level surface of the floor. For a high level level floor, lift the broom handle up and down for two to three minutes after sweeping the floor.

Answer format: ending1/ending2/ending3/ending4