Ключевые слова: bolt, bright, chromium, chromiumplate, column, composite, composition, compound, curve, eccentric, ferric, figure, form, head, help, hexagonal, hook, inquiring, interrogative, iron, line, mark, matter, metal, object, order, paper, parallel, pillar, point, post, problem, punctuation, question, questioning, rank, rifle, rifling, round, screw, screws, shape, shining, sign, stand, symbol, unknown, vertical, warning, white,