Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to paint rusty railings [title] Cover the area around the railings carefully. [step] Use drop cloths for larger spaces and painter's tape for smaller spaces. [title] Wear protective clothing.

Ending1: [step] Wear gloves when working with exposed metal. Wear goggles when working with rusty metal. Ending2: [step] As part of this project, using a thick coat of petroleum-based paint on rusted railings is forbidden. Wear long, thin gloves and a heavy wool cover. Ending3: [step] Paint can begin to drip down onto whatever surface you use a drop cloth. Be very careful when you do use drop cloths; there could be an electrical shock from them dripping down onto the wall. Ending4: [step] Wear long pants and a long-sleeved shirt. Put on safety goggles and a dust mask before starting any work.

Answer format: ending1/ending2/ending3/ending4