Schiefertafel mit der chemischen Formel von Vitamin B1
Palabras clave
vitamin,
chemistry,
formula,
medicine,
health,
digestion,
food,
chalk,
thiamine,
depression,
chemical,
structure,
hand,
board,
text,
plate,
write,
blackboard,
blackboard,
drawing,
written,
illustration,
drawn,
graphic,
signs,
technology,
chemical,
laboratory,
science,
symbol,
studying,
concept,
molecular,
connection,
atom,
handwriting,
slate
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