Ключевые слова: background, backlash, bevel, clearance, construction, control, defect, detail, draft, drawing, edge, engineer, equipment, flaw, gap, gauge, geometry, industry, instrument, joint, magnifier, measure, measurement, mechanical, metal, model, mould, object, outline, paper, pattern, pipe, plan, precision, project, radius, sample, seam, shape, steel, structure, technical, technique, technology, template, tool, weld,