science diagram round burner flask air bubbles grayscale trace heat classroom experiment bunsen bottemed thermal ex..…
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green tools burner tool object burnerobject
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An Inkscape SVG Outline Bitmap Trace of Leonardo da Vinci famous self-portrait from the public domain image found a..…
eps format, including jpg preview, keyword: Vector food, food, vegetables, seasonings, bread, eggplant, tomatoes, i..…