Ключевые слова: abrasion, ancient, antique, attrition, azure, blue, blues, bluish, cerulean, cloud, conduit, decrepit, deterioration, dilapidated, drab, duct, ferrum, firmament, gray, grayish, grayscale, grey, greyish, heaven, heavenly, iron, metal, ncient, old, pipe, pipeline, piping, ramshackle, rust, rusty, shabby, sky, snowy, steel, tube, tubing, tumbledown, turquoise, wear, welkin, white,