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| upper flammable limit (The lower flammable limit (LFL) describes the leanest mixture that still sustains a flame, i.e. the mixture with the smallest fraction of combustible gas, while the upper flammable limit (UFL) gives the richest flammable mixture. wiki Alexander Demidov) | |||
| upper explosivity limit (MichaelBurov) | |||
| upper limit of the explosive range; UEL (MichaelBurov) | |||
| upper explosion limit | |||
| upper explosive limit (Leonid Dzhepko) | |||
| верхний предел взрываемости: 2 phrases in 2 subjects |
| Material safety data sheet | 1 |
| Sakhalin | 1 |