Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean nickel [title] Wipe the nickel down daily. [step] Use a microfiber cloth. Microfiber is soft enough to keep the surface from getting scratched.

Ending1: It's also very good at preventing dirty and grimy buildup. A few simple strokes will remove dust and water stains. Ending2: If it gets dirty frequently, it could harbor deformities, which can make the nickel more susceptible to oxidization. This could cause breakouts, blemishes, and scratches. Ending3: However, microfiber cloths will break up shiny metals and destroy potentially valuable minerals like nickel. [substeps] Wipe the nickel down each day with a microfiber cloth. Ending4: However, cleaning nickel with a microfiber cloth will help to prevent dirt from building up on the cloth. [substeps] When cleaning nickel, brush the cloth across the surface of the nickel.

Answer format: ending1/ending2/ending3/ending4