A SIMPLE KEY FOR HEAT INSULATOR UNVEILED

A could be the letter which was accustomed to represent a staff within an aged Television set show, The A-Crew. A capital a is written "A". Utilize a cash A At first of the sentence if writing. A is additionally a musical note, occasionally known as "La".Inside the International Phonetic Alphabet, ⟨a⟩ is used for the open up front unrounded vow