Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to apply elastomeric paint [title] Power wash the surface for a sure clean. [step] The best way to ensure your surface is clean is to power wash it at a pressure of 2 , 000 to 2 , 500 psi. It's always a good idea to test the pressure on your surface, because it can cause damage.

Ending1: [title] Gently scrub the painted surface using a circular motion with a bristles. [step] Pay attention to any scratches, bubbles, bumps, and blending. Ending2: [substeps] Professional masking painters will know how to wash surfaces without an expensive tool. [title] Consider using a ceramic-based paint to apply the first coat. Ending3: You may need to use a lower pressure or another cleaning method if washing at these pressure levels causes damage. [substeps] Don't add cleaner or bleach to the water when power washing. Ending4: When you're done washing the surface, allow it to dry completely, with no mess on it at all. [title] Apply a small amount of ethanol sealer.

Answer format: ending1/ending2/ending3/ending4