When the war started, there where those in Russia that did protest the war. You could see them getting picked up and dragged away.

I always think about the old life magazines that i used to see at my grandfathers house. There was one i remember where there was a advertisement from humble oil (now ExxonMobile). Mind you, this was an edition from the 1960’s.

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It’s probably a floating roof. In the petro they use this for several reasons. Less contact between the product and air reduces oxidation. There is also less gass formed above the product reducing odour. But funny enough, it is mainly used to reduce risk of explosion …