 |
| English | Russian |
| be useful | использоваться (Vishera) |
| be useful | применяться (The Friedel-Crafts type of reaction has been useful during the past three-quarters of a century Vishera) |
| sodium hydroxide does not appear to be as generally useful as triethylamine | гидроокись натрия не имеет такого широкого применения, как триэтиламин (Vishera) |