wichita.edu
…and actions. Motions Rotating motion: rotating shafts can grip hair and clothing and can force the hand and arm into a dangerous The danger increases when projections such as set screws, bolts, nicks, abrasions, projecting keys, or set screws are exposed on rotating parts. Collars, couplings, cams, flywheels, shafts ends, spindles, and meshing gears are…
https://www.wichita.edu/services/environmental_health_and_safety/machine_guarding.php