This unguarded shaft is…   

According to the OSHA lockout/tagout standard (1910.147)

While physical and atmospheric hazards are considered for the determination of whether or not a space is a permit-required confined space, configuration hazards such as sloping walls, were left out of the confined space standard due to pressure from the agriculture industry which felt that this would place an undue economic burden on the industry.

Full compliance with OSHA noise standards will completely eliminate hearing loss in the workplace.

It is always a good idea to wear PPE even when engineering controls are in place just to be a little bit safer. 

The general duty clause is typically cited for violations for which an OSHA standard currently exists, but for which the standard is not strict enough (e.g., the standard is NOT protective enough and/or the penalty is too LOW).

When calculating days away from work only count business or scheduled working days.

“Loudness” is a function of sound intensity, which is a function of                                                  pressure squared (I

How does OSHA compare the relative safety performance companies of different sizes (number of employees)?

It is good practice to use emergency stops (E-Stops) to lockout a machine as they effectively stop the machine from running.