| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | biological safety cabinet | United States | Biological safety cabinets are common laboratory equipment in the United States used for handling hazardous materials and maintaining a sterile work environment. | 3 |
| 2 | biological safety cabinet | laboratory work | Biological safety cabinets are essential for safely handling potentially infectious microorganisms or biohazardous materials in laboratory work. | 1 |