| Language | English |
| Acquisition Information | Request VHS R139 (English) or R134 (Spanish). |
| Purchase/Rent | Rent -- 2 weeks free for NRSC members; not available for non-members |
| Running Time | 9 min |
| Intended Audience | All workers |
| Description | This program explains what happens to the body when workers breathe in chemical contaminants or are deprived of oxygen. It introduces the different uses of air-purifying and air-supplying respirators, and discusses proper selection and maintenance of the equipment. |
