This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

OSHA initiated an inspection on Aug. 16, 2011, upon receiving a complaint that alleged a malfunctioning safety pin on the hydraulic shear machine had resulted in the amputation of a worker's hand on ...

Add articles to your saved list and come back to them any time. It was at mighty Dunlop Station on the Darling River near Louth in 1888 that the buzz of mechanical shears first drowned out the ...

In oil-shear brake and clutch units, friction plates and oil work together to slow and accelerate systems. Consider oil-shear clutching: Upon startup, rotating input discs move toward stationary ...

William Scheier died last year at Goodyear's Danville, Va., plant when the cutting wheel on this Alpha Shear machine surged toward him, pinning him down. Credit: Courtesy of Danville Police Department ...