rusty metal close-up of a corroded machine part with a focused detail on a hex nut and a spring

wear pattern workshop abstract scrap mechanics mechanic worn machinery machine decay rust closeup metal gear corroded old industrialart fabrication aged corrosion industrial hexnut engineering texture antique relic iron cog focus detail factory rough industrialism surface engineered scratched repair metalwork steel spring oxidized industrialrevolution rusty component vintage grit grunge industrialdesign focused hex nut created generative ai