Ключевые слова: abstract, art, background, bio, biohazard, biologic, biological, biology, bokeh, bright, catchlight, caution, concept, danger, dangerous, decoration, design, dirty, element, epidemic, exploding, flare, futuristic, glow, graphic, grunge, hazard, highlight, icon, idea, illustration, light, luminous, noise, ornament, red, risk, safety, scratch, shape, shining, shiny, sign, sparks, splinters, symbol, toxic, virus, warning,