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leisure, literature and people concept - man sitting on sofa and reading book at home. reader is reading a novel. A student is studying a textbook. The guy is holding a book in his hand.
Hazard warning attention sign with exclamation mark symbol
African american working in warehouse got accident from carry box, forklift truck working near by
It is prohibited to use cell phones when walking on the staircase, be careful when walking on the staircase
Exclamation mark icon. Attention sign icon. Hazard warning symbol in red background. vector
Danger sign. Set of vector icons. Hazard and warning symbols: radiation ionization, biohazard caution and danger zone. Collection of universal recognisable signs: bones with skull, radioactivity.

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