A person bends a hot test tube with special tongs
Schlüsselwörter
chemistry,
experiment,
fire,
glasses,
bending,
melting,
forceps,
metal,
test tube,
beaker,
heat,
research,
training,
science,
fundamental,
applied,
stretches,
flexible,
soft,
melted,
sulfur,
saltpeter,
coal,
flask,
hard-wearing,
temperature,
bright,
yellow,
light,
capacity,
reaction,
education,
display,
popularization,
spectacular,
beautiful,
orange
Deutsch
