![](http://www.alamy.com/thumbs/6/D13652D6-E634-4C53-A4C0-CBA73E9CE80E/E7TK3M.jpg)
detail of a old used rusty screw
Size: 7360px × 4912px
Photo credit: © Vaclav Mach / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: big, close, cogged, cogwheel, depth, detail, device, endless, factory, field, gear, gearing, gearwheel, machine, manufacturing, metal, moving, nut, rotation, rusty, screw, shalow, shop, tools, toothed, transmission, whee, wheel, work, workshop, worm