No one should be working around skylights if they are not properly trained and if the skylight is not properly controlled. 
This Workplace Health & Safety Poster aims at engaging workers and reminding them of what they should already be doing to stay safe when working around skylights.
The poster contains one of the best pieces of advice for everyone who encounters skylights in the course of their duties - TREAT EVERY SKYLIGHT LIKE A HOLE IN THE ROOF, plus five of the Top Tips for working safely around them.