Please choose the correct ending to complete the given sentence: Health: [header] How to prevent skin rashes [title] Avoid situations that lead to sweating. [step] Heat rash develops when the sweat ducts in your skin get clogged. When this happens, instead of evaporating, sweat gets trapped beneath the skin and leads to skin rash.

Ending1: If you have ringworm or other ringworm-like skin conditions that cause you to sweat excessively, take measures to keep your skin oil-free. [substeps] Dry skin is one of the most common reasons for rashes. Ending2: To avoid this issue, avoid hot environments like workplaces and hotels. Stay away from places with lots of smells, which can irritate the rash. Ending3: [substeps] Heat rash occurs most often in hot and humid conditions. Keep your body dry by avoiding outdoors during the hottest time of the day. Ending4: Also avoid places where your rash may develop. Be sure to always avoid these places : [substeps] Public bathrooms.

Answer format: ending1/ending2/ending3/ending4