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An illustration showing a diagram of parallax error using a scale, a human eye, and lines to depict misalignment in measurement.
Playful Physical Therapy With A Child Lying On An Exercise Ball As Therapist Guides Their Movements, Promoting Rehabilitation Through Engaging, Age-appropriate Activities. Cartoon Vector Illustration
Clerk being assaulted by a customer
The OSI model (Open Systems Interconnection) with seven layers such as physical, data link, network, transport, session, presentation, and application
Photoelectric effect. Light shines, photons on a metal surface, electrons are ejected. Electrons to photoelectron. Electromagnetic radiation. photoemission ultraviolet light. Vector illustration
Vector illustration of chalkboard and math formulas on chalkboard. Numbers. Calculation. Teaching math on chalkboard. Chalkboard.

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