Ключевые слова: accuracy, accurate, alignment, architecture, background, balance, brick, bubble, build, builder, building, building material, carpenter, concrete, construction, contractor, craft, detail, development, engineering, equilibrium, equipment, even, flat, horizontal, house, industrial, industry, instrument, isolated, level, line, liquid, macro, measure, measurement, object, precision, red, ruler, space, spirit, spirit level, surface, tool, vertical, water, white, work, yellow,