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Sisyphus metaphor. Man rolling huge concrete ball up hill. Sisyphean work, task.
Vector illustration man having difficulty breathing.
Growth scale from 1 to 3. Three levels. High level of danger. Skills and abilities improvement. Difficulty of the challenge.
Asian senior woman coughing choking while drinking water or eating food,danger or risk of lung infection,disease of silent aspiration pneumonia,old elderly patient choking water after taking the pills
Pencil with knot and scattered letters, dyslexia concept

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