Writes on glass, film, plastic, metal, porcelain, wood, rubber, and paper. Produces precise lines of 0.3mm width. Permanent ink dries in split second. Water- and fade-proof. Consists of 6 black, 2 red, 2 blue, and 2 green pens.
Priciples of stoichiometry, This kit has been designed to allow students to perform experiments to see what types of reactions occur when various solutions are mixed together
Writes on glass, film, plastic, metal, porcelain, wood, rubber, and paper. Produces precise lines of 0.3mm width. Permanent ink dries in split second and is water- and fade-proof.
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