| A | B |
| compressed oxygen | causes explosion if contacts oil or grease |
| ultraviolet light | causes flash burn in the eyes |
| regulator | reduces high cylinder pressure to lower working pressure |
| confined space | has limited amount of ventilation |
| carbon monoxide | given off by combustion engines |
| General Duty Clause | summarizes the intent of the OSHA Act of 1970 |
| PPE | designed to protect you from injury |
| self-contained breathing apparatus | has its own clean air supply |