The figure is a Sankey diagram which shows the composition of the primary energy entering the energy system of the EU-27 in 2010, and where this primary energy was used, either as losses or as consumption by specific sectors of the economy.
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Let the grass grow higher and thus encourage root growth. It will also allow the grass to self-seed. If you mow a path in the middle, it will show that it is indeed meant to be that way as opposed to being neglected.
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