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Cute multiethnic pupils writing at school desks in classroom at elementary school. Focused children writing during a dictation exercise in primary class. Middle eastern schoolgirl writing in classroom
Grinding ball mill operates with mineral ore at plant for copper and gold concentrate. Industry Concentration factory.
Young freelance business finance woman has a problem with attention deficit hyperactivity disorder ADHD she cant start work on project Female lost concentration cant work from home on laptop computer
Speech bubble material of cartoon-style sentiment image of jagged lines in golden style
A group of golfers on the putting green, honing their concentration and teamwork as they tackle the challenge of precise putting with their putters.

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