An earlier hierarchy of controls had engineering controls as the top-level control. Of course, now most hierarchy of controls, including the one used by OSHA, include elimination and substitution as ...

Reducing risk to a level that is considered as low as reasonably possible should be the goal of every electrical professional. Using risk reduction strategy according to the hierarchy of controls is ...

Before the pandemic, it seems that the vast majority of the population did not give PPE a second thought. That has changed. In today’s world, personal protective equipment (PPE) is everywhere. The ...

"Springing from the febrile mind of mathematician Norbert Wiener amid the devastation of World War II, the cybernetic vision underpinned a host of seductive myths about the future of machines. This ...