Schiefertafel mit der chemischen Formel von Cyclamat
Keywords
chemistry,
formula,
chalk,
sweetener,
chemical,
structure,
board,
text,
plate,
write,
blackboard,
blackboard,
drawing,
illustration,
drawn,
graphic,
signs,
technology,
chemical,
laboratory,
science,
symbol,
studying,
concept,
molecular,
handwriting,
slate,
medicine