http://www.curbed.com/2017/4/6/15206902/solar-power-panel-smartflower  

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A full tank of a new generator (for example, Sumec Firman) would usually run for 16 – 20 hours and as it becomes older, the operating time drops to about 8 – 12 hours. Using an 8.5 kVA Sumec Firman generator as a case study, full tank of this generator is about 25 litres. Below […]

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