Trash collection is one of those luxuries many of us take for granted- we put the trash out on the specified day and let the collectors come and haul it away in their big, stinky trucks, knowing the whole process will repeat on a weekly basis.
And yet we know so little about those valiant folks who usher our waste off to its final resting place- do they hold it against us when we call them garbage men/women, and how do they feel about picking up our trash?
According to the dozens of professionals interviewed for 14 Behind-The-Scenes Secrets of Garbage Collectors calling them garbage men/women is just fine, and most truly enjoy their dirty job. So what do they hate? Poor quality trash bags and the autumn leaf-pocalypse.
Read more secrets of garbage collectors over at mental_floss
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Magnesium (to make magnesium chloride) comes from dolomite, the principle ore of magnesium. It's chemical formula is CaMg(CO3)2. That's calcium magnesium carbonate. This is then treated with an acid solution to separate out the metals. In the process the carbonate rock releases carbon dioxide. So any carbon dioxide that could possibly be absorbed by the magnesium was already released by the production of the magnesium.
Someone also made the claim that they could use lime (calcium oxide) to absorb massive amounts of CO2 to form limestone (calcium carbonate). Then someone pointed out the obvious. To produce lime, you heat limestone.
Pudong is the perfect sci-fi city. It doesn't mean it should be replicated everywhere, but Montreal could use some of that...
In the Shanghai of last year, I'm sure the skyline is more developed then when you were there in 2004. Building is going on at an insane rate. But what really confused me is that many of the new buildings have hats or structures on the top that look like headgear. It's completely weird.