Schiefertafel mit der chemischen Formel von Alginsäure
Schlüsselwörter
seaweed,
bacteries,
chemistry,
formula,
chalk,
chemical,
medicine,
cosmetic,
structure,
hand,
board,
text,
plate,
write,
blackboard,
blackboard,
drawing,
illustration,
drawn,
graphic,
signs,
technology,
chemical,
laboratory,
science,
symbol,
studying,
concept,
molecular,
connection,
atom,
handwriting,
slate
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