Ключевые слова: art, blade, carpentry, color, colorful, concept, construction, contour, cut, drawing, education, engineering, equipment, flat, garden, gas, gradient, hand, icon, illustration, industrial, industry, isolated, knife, length, line, linear, lineart, measurement, metal, object, outline, pipe, pipeline, pressure, putty, saw, scraper, sharp, spatula, straightedge, symbol, technology, tool, triangular, valve, vector, water, wood, work,