Pond fish farm
For each fish farm must be created its own technological scheme taking into account the strengths and weaknesses of a particular company. Choosing the most effective technology - the first…

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Shark fish
Sharks are found in open and coastal ocean waters. These mysterious creatures appeared on Earth 400 million barrels. years ago. Belong to cartilaginous fish. as their skeleton consists of cartilage.…

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Dangerous animals – memo for leaders and parents
Rest in children's sanatorium "Krynitsa" safe for your children. The territory is guarded around the clock, equipped with video surveillance systems. However, a number of natural factors, in particular dangerous…

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