Tin Can
The corrugated side of a tin can, up close.
sprockets
Steel sprockets: sharp-toothed drive wheels used in heavy machinery.
Bolt and Nut
Steel bolt and nut and reflection on black
Steel
Steel can show its age but still look tough. This photo is of a stack of toothed drive wheels from some forgotten piece of industrial might.
Ball Bearings
Ball and roller bearings.
Jar of Bolts and Nuts
Who doesn't have a jar like this in their workshop? Even better if it's an heirloom.
Rails
A conjunction of urban rails in Minneapolis.
Precision
Measuring the size of a ball bearing with a machinist's caliper
Electric Power Grid
Electrical power distribution equipment
Steel Drill Bit
Steel twist drill bit closeup
Freight cars
Freight cars in Minneapolis
Spark Plug
spark plug
