Quizzes, tests, exercises and puzzles for English as a Second Language (ESL), English as a foreign language (EFL), Teaching EFL (TEFL), Test of EFL (TOEFL), English for speakers of other languages (ESOL), Teaching ESOL (TESOL), TOEIC.
Be careful with your oxygen when you cook. 1 Keep oxygen away from the stove top and oven. 2 Watch out for splattering grease. It can catch fire. 3 Keep children with oxygen away from the stove top and oven. 4 Cooking with a microwave is OK.