Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to spray paint metal [title] Clean the surface of the metal object you want to paint. [step] Remove dust or other particles with a moist rag. Clean the surface with mineral spirits and a rag to remove dirt and other grime.

Ending1: [substeps] Canned alder applied only on metal objects can get smelly. Disinfect the object you are painting with a rag, and dry it with a cloth provided you do not use a hose. Ending2: [substeps] Fill a bowl with at least 30-20 gallons (50. 8-454 l) of mineral spirits. Ending3: [title] Combine 5 parts mineral spirits and 4 parts water. [step] Add the gallon bucket of mineral spirits along with approximately 3 gallons of water. Ending4: Make sure to go over the entire surface of the metal. Then, you can allow the metal to air dry or quickly go over it with a cloth.

Answer format: ending1/ending2/ending3/ending4