pre order at Amazon to be one of the first to receive a copy
A lot of people seem to think that the color on manhole covers is actually paint. After traveling to the foundry where the covers are made we discovered otherwise. What is actually used to enhance and brighten up these metal covers is unsuspecting tree resin which is poured into the covers many grooves and crevices. A wonderful technique for longevity. They last about 20 years... Who would have thought
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