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closeup two men skaters synchronous running during warm-up before competitions in speed skating
Virtual Clocks. Faces of Time series. Design made of clock dials and abstract elements to serve as background for projects on science, education and modern technologies
Manual Synchronizing Trolley (or Manual Synchronizing Panel)
Three wooden figures exercising in a synchronized way on green paper background
Manual Synchronizing Trolley (or Manual Synchronizing Panel)

Free stock photossynchronized (86)