Guess the Game Name
[5430] Guess the Game Name - Look carefully the picture and guess the game name. - #brainteasers #games - Correct Answers: 17 - The first user who solved this task is Djordje Timotijevic
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Guess the Game Name

Look carefully the picture and guess the game name.
Correct answers: 17
The first user who solved this task is Djordje Timotijevic.
#brainteasers #games
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Pregnant Tree

How does a tree get pregnant?
By a woodpecker!

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Flotation process patent

In 1898, English brothers Alexander and Francis El applied for a British patent (No. 21,948) for their flotation process to separate valuable ore, such as copper, from the gangue (worthless rock) with which it is associated when mined. It was the first practical equipment to extract metals from low-content ore. Pulverized ore is mixed with water and brought into contact with thick oil. The oil entraps the metallic constituents, which are afterwards separated, and gangue passed away with the water. Today, flotation methods remain vital in the mining industry, processing millions of tons of ores each year.
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