Ключевые слова: aggression, air, army, art, atomic, attack, background, biohazard, biological, bomb, bomber, bright, caution, color, colorful, conflict, contour, danger, design, destruction, explosion, explosive, glowing, green, hazard, icon, illustration, isolated, light, line, linear, lineart, military, missile, neon, nuclear, outline, power, purple, radiation, rocket, sign, symbol, virus, war, weapon,