A SIMPLE KEY FOR HEAT INSULATOR UNVEILED

the diphthong /eɪ/ as in ace and important, normally when ⟨a⟩ is accompanied by a single, or at times two, consonants after which another vowel letter—this success from Center English lengthening followed by The nice Vowel ChangeInside the Global Phonetic Alphabet, ⟨a⟩ is employed for the open up front unrounded vowel, ⟨ä⟩ is used f