This image shows an example of an unsafe work practice.
Ladder not tied off to prevent sideways movement. Ladder less than 3 ft above roof access point. No fall protection, there should be a fall protection system in place, such as a fall restraint system to prevent workers from falling to a lower level.
Worker does not have PPE, workers should be supplied proper PPE such as eye protection, gloves, harnesses, etc.
Falls, Roofer/Waterproofer, Residential, Images
OSHA Training Institute, Southwest Education Center