Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to maintain a lawn mower [title] Prior to starting, do a close visual inspection, cleaning out any debris, then : [substeps] Tighten or replace any loose nuts/bolts. Sand, prime and paint rusted structural parts. Replace or coat any bare or frayed wiring connections.

Ending1: Solder any working nuts and bolts to the end of the mower with a hot galvanized nut and/or kit and give them a touch up. [title] Let the mower run for a few days. Ending2: [title] Remove the spark plug lead from the spark plug and move it away from cylinder head. [step] Always do this before attempting any repairs to a lawnmower that require turning the engine. Ending3: [title] Ensure that you are good with plastic (although this is a much more expensive option). [step] Plastic wiring is not safe for lawn mowers, as it is dangerous and could result in the mower surface being affected. Ending4: [title] Get the mower ready for bed mowing in the morning. [step] Roll up the bottom tarp (there are at least 2 sides of the tarp) so that it will cover the entire site of the lawn where the lawn mower will be installed.

Answer format: ending1/ending2/ending3/ending4