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| เอสพีเอฟ aehtL pheeM aehfL | ![]() |
| pronunciation guide | |
| Phonemic Thai | เอด-พี-เอฟ |
| IPA | ʔèːt pʰiː ʔèːf |
| Royal Thai General System | et phi ef |
| | |||
| definition | SPF [Sun Protection Factor] | ||
| components | เอส | aehtL | [Thai pronunciation of the English letter,] 'S' |
พี ![]() | pheeM | [Thai pronunciation of the English letter,] 'P' | |
เอฟ ![]() | aehfL | [Thai pronunciation of the English letter,] 'F' | |

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