2KW DIY Solar panels made of pop cans for home solar heating

Many factors have decided that between renewable (ecological as well), and conventional (non-renewable and non-ecological)

energy sources, the first choice is always conventional energy source with profit as the only important criterion. For example, high

profit is obtained by monopoly on strategic crude-oil reserves.

via 2KW DIY Solar panels made of pop cans for home solar heating.

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