Examlex
Which of the following variables predicted lower rates of posttraumatic stress disorder in emergency workers after Hurricane Katrina?
Antifriction Bearings
A type of bearing designed to reduce friction between rotating parts by substituting sliding friction with rolling elements, such as balls or rollers.
Roller-Element Bearings
Mechanical assemblies containing rolling elements, such as balls or rollers, placed between two rings to facilitate low-friction movement between them.
Classified
Pertains to information that has been officially categorized as confidential, secret, or top secret to protect national security or sensitive data.
Ball Bearings
Mechanical assemblies that consist of rolling spherical elements sandwiched between two rings, used to reduce friction and support radial and axial loads.
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