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Top záložní zdroje Secrets

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In a single system, very long troughs of U-formed mirrors focus sunlight over a pipe of oil that runs throughout the middle. The hot oil then boils drinking water for electric power technology. The solenoid coil consists of numerous turns of copper wire that surround the core tube and induce https://elektromagnetick-ventil86531.targetblogs.com/21642313/not-known-facts-about-elektromagnetický-ventil

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