Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to prepare a wrought iron fence for painting [title] Remove any old paint and rust. [step] The first step is to remove any old paint or rust. This can be done either by manually sanding, using a sand blaster or paint and rust remover.

Ending1: [substeps] Rust remover and brush with room temperature water will get rid of new paint and rust. Try to use an all-natural cleaner such as dish soap and warm water. Ending2: Remove the old paint instead of trying to paint over it. This prevents the new paint from chipping and peeling. Ending3: Remove any markings or other hidden contaminants from the surface before moving on. Keep using the water hose to clean the spray paint, which can be stubborn. Ending4: If you are installing a wrought iron fence in your home, be sure to mix both paint and rust remover. [title] Remove the topmost 100 grit galvanized nails and nut that hold the fence together.

Answer format: ending1/ending2/ending3/ending4