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The effects of caffeine on the brain image from coffee beans, cardboard and white paper
Hot espresso coffee in the woman's hand or the office staff during the morning and lunch break.
Caffeine Queen- funny text with crown and coffee cup. Good for greeting card, poster, banner, textile print, and gift design.
chemical structure of the caffeine (C8H10N4O2)
Caffeine stimulant molecule. Present in coffee, tea and many soft and energy drinks. Skeletal formula.
Ingredients for making caffeine drink - coffee beans, ground and instant coffee on light concrete background, copy space. Banner.

Free stock photoscaffein (429)