context: How to travel safely with your dog in the car
Lock the doors.
In this day and age, most cars have power locks. This translates to a safety risk for smart pets.
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next sentence for the context: If your dog unlocks the doors and you're not aware of it, he is then at risk of exiting the vehicle while it's moving. Even if your dog is crated the entire trip in the car, accidents can occur.

context: How to study without getting bored
Find a suitable place for study.
One of the most important aspects to studying is finding the right place. Although you don't want to get bored, you want to make sure you are in a place that is free of distraction.
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next sentence for the context: Distractions are counterproductive to learning and will actually cause you to become more bored because you are reminded of the things you could be doing other than studying. Find a place that is well lit and temperature controlled.

context: How to prepare fruit and vegetables
Buy the best fruits and vegetables you can find.
Purchase fresh, locally grown produce if you can. Check out farmer's markets, local produce stands and your grocery store.
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next sentence for the context: Most grocery and food stores carry organic fruits and vegetables, which may be more expensive, but provide the guarantee that they were grown without chemicals or hormones. Wash your hands with warm soapy water for at least 20 seconds before you handle food.

context: A woman is standing on a ladder wiping the wall with a rag. the woman
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next sentence for the context:
then brings in large rolls of wall paper.