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thanks for invitation In electronics we have to measure waveforms. The most common ones are DC and sine waves, that most people with any knowledge of electronics know.Wi ... See More
Well, Wind turbines are cheaper per Watt produced but it requires more maintenance, and more knowledge and technology required, Wind turbines production depends on wind s ... See More
wind turbines is better and why ? its rpm can be controlled by equation d1/d2 =n1/n2