Much of the scenery I saw during our vacation in Alaska was through the windows of moving vehicles. I was thankful for glass that allowed me to see the beauty while remaining warm and dry. But the windows also presented a challenge. When it rained, water drops on the outside obscured the view. When the temperature changed, condensation caused fog to develop on the inside.
via Our Daily Bread http://feedproxy.google.com/~r/odb/feed/~3/U0SD-Jl3EDk/
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