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Group of people demonstrating in-front of a big hand showing electoral stain.
Demonstrating CPR (Cardiopulmonary resuscitation) training medical procedure on CPR doll in the class.Doctor and nurse students are learning how to rescue the patient.First aid for safe life concept.
Gay-Lussac Avogadro. Hot air cold air. Total volume of ideal gas. Diffusion rate of gases. Temperature and pressure. Gas filled balloon. Mole, molar, molarity. Chemistry, Physics, science.
Women's rights : Multiracial group of women only on violence protest
Outline empowerment vector icon. Empowerment illustration for web, mobile apps, design. Empowerment vector symbol.

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