layers of protection

Please describe IN YOUR OWN words the phrase “layers of protection” and provide examples of how application will be useful in OSH practice. Please be sure to describe why we have more than one layer, how some depend on others, and why some don’t.

Be sure the answer is comprehensive in nature.

You might want to do your own searching after reading the slides under Course Information.

Answers will gather more credit if there is evidence of critical thinking. This is an “open book” quiz.