Примеры употребления для HF
1. Nokia Nokia has introduced its first speakerphone — stylish Nokia Speakerphone HF–300.
2. Only 50 of them now use HF – half the number that used it a decade ago.
3. There has also been speculation that the Icelandic investment organisation Baugur Group HF could make a bid.
4. The others have switched to safer alternatives like sulfuric acid or the modified HF that doesn‘t turn into a gas.
5. "[Modified HF] sounds promising, but each plant is different and each decision is made refinery by refinery.