Ключевые слова: age, background, burn, burning, burnt, change, color, concept, copy, danger, development, different, energy, evolution, fire, flame, flammable, generations, growth, head, heat, household, human, ignition, life, light, live, many, match, matchbox, matches, matchsticks, nobody, object, ones, period, phase, phases, power, reaction, red, row, space, stages, stick, sticks, sulfur, text, time, wooden,