Context: Many kinds of clothing are designed to be ironed before they are worn to remove wrinkles. Most modern formal and semi-formal clothing is in this category (for example, dress shirts and suits). Ironed clothes are believed to look clean, fresh, and neat. Much contemporary casual clothing is made of knit materials that do not readily wrinkle, and do not require ironing. Some clothing is permanent press, having been treated with a coating (such as polytetrafluoroethylene) that suppresses wrinkles and creates a smooth appearance without ironing.

Question: What's the point of ironing clothing?
Answer: to remove wrinkles

Question: What type of clothing is believed to look neat, fresh and clean?
Answer: Ironed

Question: What material doesn't easily wrinkle?
Answer: knit

Question: Permanent press materials have been treated with what?
Answer: a coating

Question: What does polytetrafluoroethylene suppress?
Answer: wrinkles

Question: Many what are designed to be ironed?
Answer: Unanswerable

Question: What material wrinkles easily?
Answer: Unanswerable

Question: What type of closing encourages wrinkles?
Answer: Unanswerable

Question: It does not suppress wrinkles?
Answer: Unanswerable

Question: Doing what creates a rough appearance without ironing?
Answer: Unanswerable