| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | disposable pipette tips | Russia | Essential in analytical laboratories to maintain precision and prevent cross-contamination of samples | 1 |
| 2 | pipe material | Russia | Commonly made of cast iron for sewage pipes | 1 |
| 3 | pipe materials | Russia | PEX (cross-linked polyethylene) commonly used for outdoor water supply | 1 |