abstract aluminum backdrop background bright brilliant brushed color colorful colors colour colourful colours industry iron light material metal metallic plate polished reflection reflections regular shining shiny silver smooth steel structure structures texture textures wallpaper bolt bolts building concept craft equipment fastener group grunge industrial old rusty safety screw screws strength strong tight tool tools antique black engine flywheel icon locomotive obsolete old-fashioned pictogram railroad sign steam symbol track traffic train transport activity at beware blank blue build caution construction council danger dig digging hazard information man manual men repair repairing road roadworks rope site street triangle urban wall warning white wood work worker works alien art ball brass creation dark design drive engineering futuristic glassy graphic image machine macro orb original panels power render satellite sphere steampunk style technology unique unit vector clock clockwork cogs cooperation frame gear machinery network teamwork teeth wheel abundance aperture Built Structure chrome plated circle construction material coupler facet fastening grained grooved group of objects heap hexagon hole machine part metal industry New nut nut thread occupation pile of nuts polyhedral repetition scattered - rassipanie scattered nuts screw thread screw-nuts spiral stack steel mill Textured Effect thread threaded vehicle part work tool ancient boat cable cloud crane decay device disused gears ocean rock rust sea sky winch wind wire bronze copper distressed factory fill illustration manhole masculine objects riveted rivets round worn