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Aircraft model, rocket model
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| Secrets of the cosmos
Secrets of the Earth
Secrets of the Ocean
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Glossary of Terms
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Talc - Natural Magnesium Hydrosilicate Mg3Si4O10 (OH) 2. Snow-white powder.
Tannin (tannin) - A mixture of natural substances with an impressive number of phenolic groups and tanning action.
Cottage cheese (casein) - Casein is the first protein component of milk.
Textiloid - A plastic substance used instead of rubber.
Venetian Terpentine - A resinous substance secreted from conifers. Raw material for rosin plus turpentine.
Terpineol - A low melting crystalline odorous substance.
Thymol - Poorly soluble crystals in water.
Caraway seeds - An oil plant, a family of couples, plus perennial grasses of the umbrella family.
Peat - Sedimentary rock of plant origin. Dark brown mass.
Tragant - A resin dried in the atmosphere, flowing from cracks or cuts on the trunk as well as the roots of some species of Astragalus shrubs.
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Sulfur Carbon - See carbon disulfide.
Charcoal - A porous product formed during the pyrolysis of wood.
Animal Coal - Coal obtained by charring animal residues (bones, blood, etc.)
Bone charcoal - Coal obtained by charring bones.
Vinegar - An aqueous solution of acetic acid CH3COOH.
Wine Vinegar - Vinegar obtained from fermented wine.
Strong vinegar - See acetic acid.
Ultramarine - The pigment is green, blue or purple. It is obtained by fusing kaolin with soda and also sulfur.
Umbra (paint) - Natural iron oxide pigment of brown color.