Ключевые слова: abstract, accident, aluminum, background, blue, closeup, construction, copy, corrosion, crashing, down, drain, engineering, fuel, gas, industry, iron, macro, many, metal, old, overhaul, painted, pattern, petrol, pipe, pipeline, pipework, piping, plumbing, project, repair, round, row, several, sewage, stack, steel, storage, supply, system, technology, texture, tube, tubing, tubular, unload, water, work,