The text snippets provide information about various aspects related to OET (Occupational English Test), including classes, study materials, vocabulary, and preparation tips. There are resources available for learning medical terminology and vocabulary, such as flashcards and quizzes. The OET test is applicable for various healthcare professions, and improving vocabulary is an essential aspect of preparing for the test. The provided materials cover a range of topics, from learning specific medical terms to improving overall vocabulary to achieve a good grade on the test.