在对话中找出下列五个英文问题对应的答案,并请将问题和答案都翻译成汉语。 1. What’s Lucas’ problem? 2. Why should you wear the gloves when operating the machine? 3. Why should you notify the supervisor when you use the restroom? 4. Why should you always wear your helmet? 5. Is it necessary for the employees to be provided the safety training?