| No. | Item | Definition |
|---|---|---|
| 1. | accident | unintended event causing harm |
| 2. | accounted for | known to be safe or present |
| 3. | alarm | warning signal of danger |
| 4. | alert | warn of possible danger |
| 5. | all clear | signal that danger has passed |
| 6. | assembly point | designated meeting place after evacuation |
| 7. | assess | evaluate a situation or risk |
| 8. | assist | help someone |
| 9. | backup | reserve support or system |
| 10. | barricade | temporary barrier blocking access |
| 11. | barrier | physical object blocking access |
| 12. | bleeding | loss of blood |
| 13. | blocked | obstructed and not passable |
| 14. | briefing | short informational meeting |
| 15. | burn | injury from heat or chemicals |
| 16. | calm | free from agitation |
| 17. | caution | care taken to avoid danger |
| 18. | checklist | list of items to verify |
| 19. | clear | free from obstruction |
| 20. | compliance | following rules or standards |
| 21. | contain | keep from spreading |
| 22. | cordon | line restricting access |
| 23. | corridor | long passage in a building |
| 24. | debris | scattered broken remains |
| 25. | decontaminate | remove harmful substances |
| 26. | defibrillator | device restoring heart rhythm |
| 27. | detector | device that senses danger |
| 28. | doorway | opening used to enter or leave |
| 29. | drill | practice exercise for emergencies |
| 30. | emergency | serious unexpected dangerous situation |
| 31. | evacuate | leave a dangerous place quickly |
| 32. | evacuation | organized leaving of a dangerous place |
| 33. | exit | way out of a place |
| 34. | exposure | contact with something harmful |
| 35. | extinguisher | device used to put out fires |
| 36. | fall | drop suddenly downward |
| 37. | fire | combustion causing heat and flames |
| 38. | first aid | immediate basic medical help |
| 39. | flammable | easily set on fire |
| 40. | fracture | broken bone |
| 41. | fumes | strong often harmful gases |
| 42. | gas leak | escape of gas from system |
| 43. | generator | machine producing electricity |
| 44. | handrail | rail for support on stairs |
| 45. | hazard | something that can cause harm |
| 46. | headcount | count of people present |
| 47. | hotspot | area of intense heat |
| 48. | housekeeping | keeping area clean and orderly |
| 49. | ignition | starting of burning |
| 50. | incident | unplanned event, especially harmful |
| 51. | injury | physical harm to a person |
| 52. | inspection | careful official examination |
| 53. | intercom | internal communication system |
| 54. | isolate | separate from others or area |
| 55. | lockdown | security confinement during threat |
| 56. | lockout | machine isolation from power |
| 57. | megaphone | device that amplifies voice |
| 58. | missing | not found or not present |
| 59. | mitigate | make less severe |
| 60. | monitor | watch and check closely |
| 61. | notify | inform officially |
| 62. | obstruction | something blocking movement |
| 63. | occupant | person inside a building |
| 64. | outage | loss of power or service |
| 65. | overload | excessive load or demand |
| 66. | panic | sudden overwhelming fear |
| 67. | PPE | personal protective equipment |
| 68. | prevent | stop from happening |
| 69. | priority | most important first concern |
| 70. | procedure | set way of doing something |
| 71. | protect | keep from harm |
| 72. | protocol | official procedure or rule |
| 73. | quarantine | isolate to prevent spread |
| 74. | radio | wireless communication device |
| 75. | report | give official information |
| 76. | rescue | save from danger |
| 77. | risk | chance of harm or loss |
| 78. | roll call | checking names of present people |
| 79. | route | path from one place to another |
| 80. | secure | make safe or protected |
| 81. | shelter | place giving protection |
| 82. | shock | injury from electric current |
| 83. | slip | lose footing on surface |
| 84. | smoke | visible airborne particles from burning |
| 85. | spill | accidental release of a substance |
| 86. | stairwell | vertical passage containing stairs |
| 87. | supervisor | person in charge of workers |
| 88. | tagout | warning tag on isolated equipment |
| 89. | torch | portable electric light |
| 90. | toxic | poisonous or harmful |
| 91. | training | instruction for a skill |
| 92. | trapped | unable to escape from danger |
| 93. | trip | stumble on something |
| 94. | unconscious | not awake or aware |
| 95. | urgent | requiring immediate action |
| 96. | ventilate | supply fresh air |
| 97. | vulnerable | more likely to be harmed |
| 98. | warden | person responsible for safety checks |
| 99. | warning | notice of possible danger |
| 100. | whistle | small device making loud signal |