PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Employers must ensure that all control systems are designed to:??? Ensure that the system does not create an unsafe state that endangers personnel.??? Ensure that when control systems fail, the equipment being controlled fails to a safe state.??? Have an independent method to safely stop the process or equipment, such as a hardwired emergency stop button or other controls that deenergize the syste
http://www.w3.org/ns/prov#wasQuotedFrom
  • wa.gov