A SIMPLE KEY FOR HEAT INSULATOR UNVEILED

the diphthong /eɪ/ as in ace and key, normally when ⟨a⟩ is followed by one, or often two, consonants and then another vowel letter—this effects from Center English lengthening accompanied by The nice Vowel ShiftWithin the Intercontinental Phonetic Alphabet, ⟨a⟩ is utilized for the open up entrance unrounded vowel, ⟨ä⟩ is employed fo