Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to protect a wood countertop [title] Provide protection from stains. [step] Keep countertops clean to protect them from stains. Stains, buildup and dullness will result on the surface of your wood countertop if it is not cleaned regularly.

Ending1: For example, stains may form in crevices in a countertop but require removal. Microfiber cloths should be placed in the cracks and crevices that can lead to stains and dullness. Ending2: [substeps] Keep away from concrete, glass, stone, or metal. These materials rust easily, so a glass or stone countertop is a good option. Ending3: [substeps] Before you put down the countertop stain stain, cover the surface with a coat of acrylic varnish or other finish. This protects it from mold and fungus that may make stains worse. Ending4: [substeps] Remove any spills and debris before a stain has opportunity to set in by cleaning the area quickly. Wash the wood with soap and warm water.

Answer format: ending1/ending2/ending3/ending4