An (alarm signal) can be audible.Logical formLearned from3 sentences. Some instruments can be audible.Logical formLearned from3 sentences. Icons can be audible.Logical formLearned from3 sentences. Lines can be audible.Logical formLearned from3 sentences. Lines can be audible.Logical formLearned from3 sentences. Objects can be audible.Logical formLearned from3 sentences. Acoustic waves can be audible.Logical formLearned from3 sentences. A manifestation can be audible.Logical formLearned from3 sentences. Tones can be audible.Logical formLearned from3 sentences. Errors can be audible.Logical formLearned from3 sentences. (Emergency alarm systems) can be audible.Logical formLearned from3 sentences. Tests can be audible.Logical formLearned from3 sentences. A bandwidth can be audible.Logical formLearned from3 sentences. (Stick signals) can be audible.Logical formLearned from3 sentences. A whistle can be audible.Logical formLearned from3 sentences.