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This image captures two open, aged display cases, likely part of an educational exhibit in Zlatograd, Bulgaria. The setting appears to be an indoor space, possibly a classroom or museum, indicated by the tiled floor and ambient lighting.

The display case on the left focuses on "ИЗКУСТВЕНИ ТОРОВЕ И УПОТРЕБАТА ИМ" (Artificial Fertilizers and Their Use). It contains several glass tubes holding various granular or powdery substances, representing different fertilizers such as "Суперфосфат" (Superphosphate), "Костено брашно" (Bone meal), "Амониев сулфат" (Ammonium sulfate), and "Калиева селитра" (Potassium nitrate). A complex diagram titled "Торова звезда" (Fertilizer Star) illustrates compatibility for mixing fertilizers. Additional labels list "Натриева селитра" (Sodium nitrate), "Карбамид" (Carbamide), "Оборски тор" (Farmyard manure), "фосфорит" (phosphorite), and "калциев карбонат" (calcium carbonate).

The display case on the right showcases "МИНЕРАЛИ, СКАЛИ И ТЯХНОТО ПРИЛОЖЕНИЕ" (Minerals, Rocks and Their Application). A prominent feature is a large, intricate molecular model constructed from black spheres connected by bright yellow rods, representing a complex chemical structure, possibly a carbon allotrope like a fullerene. Below the model, some smaller vials and samples are visible, accompanied by labels like "КВАРЦОВ ПЯСЪК" (Quartz sand), "СТЪКЛО" (Glass), "ГИПС И МЕРГЕЛ" (Gypsum and Marl), "СЯРА" (Sulfur), and "ГРАФИТ" (Graphite).

Both cases are made of dark wood, showing visible signs of wear, chipped edges, and faded elements, suggesting their age and historical significance as educational tools. No activity is taking place; the scene captures a static exhibit.
Stef_2727

Apr 29, 2026, 7:53 AM

Zlatograd, Bulgaria

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This image captures two open, aged display cases, likely part of an educational exhibit in Zlatograd, Bulgaria. The setting appears to be an indoor space, possibly a classroom or museum, indicated by the tiled floor and ambient lighting. The display case on the left focuses on "ИЗКУСТВЕНИ ТОРОВЕ И УПОТРЕБАТА ИМ" (Artificial Fertilizers and Their Use). It contains several glass tubes holding various granular or powdery substances, representing different fertilizers such as "Суперфосфат" (Superphosphate), "Костено брашно" (Bone meal), "Амониев сулфат" (Ammonium sulfate), and "Калиева селитра" (Potassium nitrate). A complex diagram titled "Торова звезда" (Fertilizer Star) illustrates compatibility for mixing fertilizers. Additional labels list "Натриева селитра" (Sodium nitrate), "Карбамид" (Carbamide), "Оборски тор" (Farmyard manure), "фосфорит" (phosphorite), and "калциев карбонат" (calcium carbonate). The display case on the right showcases "МИНЕРАЛИ, СКАЛИ И ТЯХНОТО ПРИЛОЖЕНИЕ" (Minerals, Rocks and Their Application). A prominent feature is a large, intricate molecular model constructed from black spheres connected by bright yellow rods, representing a complex chemical structure, possibly a carbon allotrope like a fullerene. Below the model, some smaller vials and samples are visible, accompanied by labels like "КВАРЦОВ ПЯСЪК" (Quartz sand), "СТЪКЛО" (Glass), "ГИПС И МЕРГЕЛ" (Gypsum and Marl), "СЯРА" (Sulfur), and "ГРАФИТ" (Graphite). Both cases are made of dark wood, showing visible signs of wear, chipped edges, and faded elements, suggesting their age and historical significance as educational tools. No activity is taking place; the scene captures a static exhibit.

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Stef_2727

Apr 29, 2026, 7:53 AM

Zlatograd, Bulgaria

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