Calcium carbide on a white background
Schlüsselwörter
flames,
chemical,
gas,
reaction,
science,
calcium,
industry,
carbide,
nature,
background,
stone,
chemistry,
crystal,
explosion,
material,
production,
show,
storage,
alternate,
chemist,
geology,
industrial,
mineral,
substance,
survival,
bottled,
coal,
coke,
compound,
curing,
danger,
isolated,
rock,
lighter,
snow,
water,
fruit,
oxyacetylene,
carcinogen,
sylvester,
workings,
biology,
change,
fire,
fossil,
genetic,
grey,
heavy,
metallic
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