Ключевые слова: abstract, appliance, background, black, blaze, blue, bright, butane, caution, circle, circular, color, commercial, cooking, danger, dark, detail, domestic, element, energy, equipment, fire, food, fuel, generation, glow, glowing, heat, home, hot, industry, invoice, kitchen, life, light, metal, methane, modern, natural, oven, power, propane, range, reflection, ring, save, steel, tongues, valve, warm,