Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean natural stone [title] Sweep off surface debris. [step] If you are cleaning a natural stone floor, you'll want to use a fluffy mop or brush that has soft, natural bristles. This will prevent the stone from getting scratched by brushes with abrasive bristles.

Ending1: [substeps] Sweep the stones often to prevent dust from falling from them and creating abrasions in the floor. [title] Wipe mineral deposits away from stone surfaces. Ending2: If you are cleaning natural stone countertops, a clean cotton rag or a handheld duster can remove surface debris. Sweep all the dirt and dust into a dustpan and dispose of it. Ending3: If you only want a smooth surface, you can use a feather broom or sweeping sponge for texture. [substeps] A fluffy, synthetic cloth can also work for the cleaning purpose. Ending4: [substeps] Brushing stones with a soft, non-abrasive brush will still get some dirt into cracks and crevices of your stone floor. Avoid using a broom, vacuum, vacuum softeners, or regular household dander when cleaning stone floors, as these can damage the stone's stone surface.

Answer format: ending1/ending2/ending3/ending4