Ключевые слова: abundance, arrangement, ballast, construct, construction, contractor, crosstie, engineer, engineering, equipment, helmet, industrial, industry, infrastructure, instrument, length, lung, machine, machinery, maintenance, management, occupation, order, parts, permanent way, project, prolong, proximity, rail, railroad, railroad tie, railroad tracks, rails, railway, railway tie, repair, safety, section, site, stalk, stockpile, supply, surface, system, technology, track, train, transportation,