Equipment Under control (EUC) [3.2.3]: equipment, machinery, apparatus or plant used for manufacturing, process, transportation, medical or other activities.

EUC risk [3.2.4]: risk arising from the EUC or its interaction with the EUC control system (risk associated with functional safety) [it should be assessed independently of countermeasures to reduce it].

Tolerable risk [3.1.6]: risk which is accepted in a context based on the current values of society.