Qidiruv

The extraction of useful materials or energy from wastes. Such materials may include paper, glass and metals that can be reprocessed for re-use. It forms an integral part

The strip of land in awater protection zone which directly borders the water reservoir being protected. In such territories a special regime of natural resources usage is

– a sphere of economics which includes the following groups of objects: 1) enterprises providing a pollution prevention (production of special machinery, ecologically cle