AFNR 3.1 Vocabulary

3. An unavoidable danger or risk, even though often foreseeable.
6. The amount of space between two things, points, lines, etc.
8. The quantity of matter as determined by its weight.
11. A portable container, usually filled with special chemicals for putting out a fire.
13. Safety equipment worn for protection against safety hazards in the work area
15. Any material that will burn.
16. A measure of the warmth or coldness of an object or substance with reference to some standard value.
18. Pieces of information, such as facts, statistics, or codes; an item of data.
20. To kill by electricity.
21. Alertness and prudence in a hazardous situation; care; wariness.
22. Something that serves to warn, give notice, or caution.
24. A colorless, odorless reactive gas that is one of the three ingredients necessary for a fire.
25. Liability or exposure to harm or injury; risk; peril.

1. The mass per unit of volume.
2. A sudden, urgent, usually unexpected occurrence or occasion requiring immediate action.
4. An undesirable or unfortunate happening that occurs unintentionally and usually results in harm, injury, damage, or loss; casualty; mishap.
5. An act or instance of noticing or perceiving.
7. A scraped spot or area; the result of rubbing or scuffing.
9. Color used as part of a standardized coding system according to which each color conveys a specific safety message.
10. The type of energy that causes the temperature of an object or environment to rise.
11. The three conditions, fuel, heat, and oxygen, that must be present to produce a fire.
12. The amount of space measured in cubic units that an object or substance occupies.
14. One of a series of steps taken to accomplish an end.
17. A test, trial, or tentative procedure; an act or operation to discover something unknown or test a principle or supposition.
19. The ability of a measurement to match the actual value of the quantity being measured.
23. The freedom from accidents.