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The images are displayed in the order in which they were tested for comprehension.
- Series collection PNG 5600px x 1800px
- Image 1 PNG 1800px x 1800px
- Image 2 PNG 1800px x 1800px
- Image 3 PNG 1800px x 1800px
Official websites use .gov
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Secure .gov websites use HTTPS
A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
Always unplug Christmas tree lights before going to bed or leaving your home.
The images are displayed in the order in which they were tested for comprehension.