Patten (shoe) Patten (shoe) Pattens are protective overshoes that were worn in Europe from the Middle Ages until the early 20th century. Pattens were worn outdoors over a normal shoe, had a wooden or later wood and metal sole, and were held in place by leather or cloth bands. Pattens functioned to elevate the foot above the mud and dirt (including human effluent and animal dung) of the street, in a period when road and urban paving was minimal. The word "patten" probably derives from the Old French "pate" meaning hoof or paw. Women continued to wear pattens in muddy conditions until
Power shovel Power shovel A power shovel (also stripping shovel or front shovel or electric mining shovel or Electric Rope Shovel ) is a bucket-equipped machine, usually electrically powered, used for digging and loading earth or fragmented rock and for mineral extraction. Power Shovels are a type of rope/cable excavator, where the digging arm is controlled and powered by winches and steel ropes, rather than hydraulics like in the more common hydraulic excavators. Basics parts of power shovel including the track system,cabin,cables,rack, stick,boom foot-pin,saddle block,boom,boom point sheaves,and bucket. The size of bucket varies from 0.375cu m to 5cu m. Shovels normally consist