| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | laboratory balance | chemistry laboratories in industrialized countries | Used for precise measurement of chemicals and compounds | 1 |
| 2 | laboratory equipment | Chemistry laboratory | Consists of specialized tools and apparatus for conducting experiments and analyses. | 1 |
| 3 | laboratory experiments | chemistry lab | Conducted for research, analysis, and education using specialized equipment and materials | 1 |