Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to apply diatomaceous earth outdoors [title] Avoid breathing in or touching the dust particles. [step] Diatomaceous earth is a fine powder, which can irritate your throat if you breathe a lot of it in. Wear a face mask to avoid inhaling the powder, and wear gloves on your hands so that the powder won't dry out your skin.

Ending1: Diatomaceous earth causes dust to collect in foul-smelling objects. If you can't break it up with a vacuum, store it in an air-tight container. Ending2: [substeps] If you don't have a face mask, you can also wear a bandana or towel over your mouth to keep out the dust. [title] Use diatomaceous earth on plants that truly need it. Ending3: Similarly, don't cover your mouth or nose with scarves or sunscreen when indoors. [title] Rinse your mouth and nose after exposing diatomaceous earth to the air. Ending4: [substeps] You might also wear goggles to protect your face from inhaled particle particles that may bounce off your nose. You should also wear wide brimmed hats and shoes since dust can make you smell very bad if inhaled.

Answer format: ending1/ending2/ending3/ending4