Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to repair gouges in a ski's base [title] Place skis with bases up on a solid surface. [step] If you have access to a vice, secure skis in it with a rag between the vice and ski. It is important to make sure there are as few flammable objects as possible around.

Ending1: A garage floor makes a decent working station. [title] Make sure there is no dirt or other debris in the gouge. Ending2: [title] Scrape decal off with a warm, soapy sponge. [step] Once off of the base, wash some flannel cloth with a water mixture and pour the cleaner over the entire surface. Ending3: [substeps] Trench skis do not have bases up on the base, just ones that are attached to the base. [title] Position the base 1 inch (2.5 cm) from the ice. Ending4: [substeps] The center of the base should be facing up. If left down, an outline will appear from the ice and you'll want to keep one hand firmly on the base while other applies to the ski underneath.

Answer format: ending1/ending2/ending3/ending4