hourglass sand clock isolated grey background

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Hourglass or sand clock isolated on grey background

Hourglass or sand clock isolated on grey background, time, timer, watch, sandglass, countdown, deadline, passing, minute, white, age, checking, contemporary, endurance, eternity, flow, flowing, heap, hour-glass, instrument, measure, measurement, object, old, past, pressure, reflection, running, trickle, antique, wood, concept