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People do not realize that their public water are delivered by iron pipes buried 20 to 80 years ago. I was an engineering student and if you cut those pipes you will see rust around the pipes. So people do not realized that they are drinking water through rusted interior of water pipes. No one has died from it.
When meteorologists tell you the temperature, likely they mean the temperature more than 1m off the ground in a shaded place (for example in a Stevenson screen). Anything sunlit is likely to be warmer. The ground is likely to be different (warmer or cooler depending what else is going on). You can't assume that just because the weather report for the region ...
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