Emergency_eyewash_and_safety_shower_station

what is it? Why it is important? How to use it? reference: https://www.ccohs.ca/oshanswers/safety_haz/emer_showers.html

i want to add somethings to this articles(https://en.wikipedia.org/wiki/Emergency_eyewash_and_safety_shower_station) such as "The first 10 to 15 seconds after exposure to a hazardous substance, especially a corrosive substance, are critical. Delaying treatment, even for a few seconds, may cause serious injury.", area that need to have emergency eye wash, what temperature of water should it be,etc.Also some photo or video of step to using it because in this articles does not include.

How to use Emergency Eye wash.
How to use Emergency Shower.
How to use Emergency Shower..