Wooden letter tiles arranged to spell "POTASSIUM" in uppercase black font.
Schlüsselwörter
potassium,
element,
mineral,
chemistry,
science,
laboratory,
research,
balance,
experiment,
worked,
medicine,
periodic,
chemical,
vital,
health,
nourishment,
supplement,
nutrient,
body,
symbol,
deficiency,
metal,
diet,
table
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