STKY (Stuff That Kills You)

The plain-language name for the high-energy hazards on a job.

Hallowell’s book writes STKY, Stuff That Kills You, and uses it interchangeably with high-energy hazard: joules for engineers and executives, STKY and the icons for crews. It is the list a crew should be able to name before work starts.

Related terms

High-energy hazard
A hazard whose energy, if released, is enough to kill or cause life-altering injury.
High-energy threshold (1,500 joules)
The research-based line above which a serious injury is the most likely outcome of contact.
Energy Wheel
The visual listing the ten sources of energy present in work.