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Handball is one of the most popular team sports.
This 3D scene presents the steps of the cement manufacturing process.
A type of settlement that has central functions.
Biogas can be produced from organic material (manure, plant waste, organic waste) using...
The products of oil refining include diesel oil, petrol and lubricants.
The world’s population is very unevenly distributed across the globe. Some areas are...
Raw iron is produced from iron ore in iron smelters.
Pollution is the negative effect of human activity on the natural environment.