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Low-angle landscape view of the German North Sea beach in Ostfriesland at low tide with oyster shells in the foreground on a damp surface with a view to the horizon.
Arrow of the analog DC ampmeter shows the value of .6 amp.
3D Rendering Illustration of a Steam Engine devised, built and perfected by Scottish inventor James Watt patented in 1769; based on the parallel motion of different metal components with wooden base.
Analog VU meter with Decibel meter. Decibel power level. A volume unit. Device displaying a representation of the signal level in audio equipment.
Wattenmeer, mud tideland in North Sea, Germany on sunset. Nordsee, Watt.

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