Ключевые слова: abstract, analysis, background, black, blue, chemical, chemistry, clear, concept, cone, container, conversion, data, design, equipment, filter, filtered, filtering, filtration, flat, flow, fluid, funnel, graphic, icon, illustration, information, isolated, laboratory, line, liquid, marketing, object, pipe, pipeline, poly, process, set, shape, sign, silhouette, simple, stroke, symbol, target, technology, tool, water, white,