Ключевые слова: background, black, care, concept, danger, disaster, earth, ecology, environment, environmental, farming, gas, gasmask, green, grow, growing, growth, hand, hazard, holding, idea, industrial, isolated, leaf, leaves, life, mask, nature, organic, plant, planting, protection, protective, radioactive, safe, safety, security, seedling, sprout, survival, technology, toxic, wear, white, young,