It stops you from getting wet. What does it stop you from?, It stops you from getting wet, It lets you travel safely. What does it allow you to do safely?, It allows you to travel safely, It lets you enter a place. What does it allow you to do?, It allows you to enter a place, they cover your eyes. What do they let you do ?, They let you cover your eyes, It detects obstacles. What does it allow you to do?, It allows you to detect obstacles

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