Ключевые слова: background, black, business, chrome, cog, cogwheel, control, cooperation, dirt, duties, efficiency, equipment, execution, exploitation, gear, gearwheel, implementation, interaction, interplay, job, labor, machine, machinery, management, mechanics, mechanism, metal, metallic, nickel, operation, performance, planning, process, production, reciprocity, result, scratch, steel, strategy, symbol, system, tool, wheel, work, work processes, workflow, workplace,