Ключевые слова: abstract, alloy, background, chemistry, closeup, complex, compound, construction, craftsmanship, crystal, crystals, density, design, detail, edges, elements, engineering, fragments, geology, geometry, industrial, industry, innovation, lustrous, macro, manufacturing, material, metal, metallic, metallic texture, metalwork, mineral, minerals, natural, natural resources, pattern, physics, reflective, reflectivity, research, rocks, science, sharp, shiny, silver, structure, substance, surfaces, technology, texture,