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Science experiment: heterogeneous mixture of water and sand
Busy young multiracial woman working studying by laptop on blurred background doing urgent job taking exam. Focus on close up sand glass posed on desk at home office. Measuring time. Deadline is coming
Realistic hourglass closeup. Vector sandglass on isolated background. Vintage clock, 3d classic interior object, symbol of time management. Detailed illustration
Hourglass on a sand dune beach. (vintage style)
Vector sand glass timer
Hourglass Clock Vector Icon Illustration. Sandglass Icon. Sand Timer

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