Ключевые слова: aggression, air, army, atomic, attack, background, battle, biohazard, biological, bomb, bomber, caution, color, colorful, combat, conflict, danger, dangerous, death, design, destruction, explode, explosion, explosive, fight, gradient, hand, hazard, icon, illustration, isolated, metal, military, missile, nuclear, object, power, radiation, red, sign, silver, soldier, symbol, technology, virus, war, weapon,