Ключевые слова: angle, background, begin, blueprint, building, business, calculating, charts, concepts, construction, create, design, designer, devise, diagram, document, draft, drafting, draftsmanship, draw, drawing, duration, education, engineering, foreground, graph, graphic, ideas, invent, knowledge, learning, line, mull, pattern, plan, project, reckon, schooling, science, structure, studies, the, think, working, write,