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In the baking soda and vinegar balloon experiment, mixing these two ingredients creates carbon dioxide gas, inflating the balloon as the gas expands.
Stressed young man failed to meet deadline. Deadline pressure, stressful job.3d vector people character illustration. Information overload or job burnout with stress and chaos tiny person concept.
Removal of graffiti paint on a facade. Worker cleaning a dirty brick facade with a pressurized water jet in the integral reform of a house. Municipal facade cleaning service
Close up of Female Doctor using stethoscope putting beat heart diagnose with patient in examination room at a hospital, check-up body, Medical and Health Care Concept.
Operator at a tanker truck wash station on the top of the vehicle, washing with pressurized water and supervising the automatic interior cleaning system.

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