Ключевые слова: abstract, architect, architectural, architecture, background, bolt, bolts, business, caliper, calliper, closeup, company, construction, corporate, design, detailed, draft, draw, drawing, drawings, engineer, engineering, geometry, graphic, house, illustration, industrial, industry, interior, line, mechanical, mechanics, nut, painting, paper, plan, professional, scheme, science, sketch, steel, structure, technical, technology, tool, white, work, worker, wrench,