Similar Material g81 5/22 pp. 27-28 How Safe Are Microwave Ovens? Microwaves—How Dangerous Are They? Awake!—1981 Microwaves—How Do They Work? Awake!—1981 Oven Insight on the Scriptures, Volume 2 Oven Aid to Bible Understanding Watching the World Awake!—1983 Watching the World Awake!—1990 Watching the World Awake!—1988 How Harmful Is Electric Smog? Awake!—1984 ‘Ten Women Baking Bread in One Oven’ The Watchtower Announcing Jehovah’s Kingdom—1979 Watching the World Awake!—1971