闹钟                                                       烧水

电厂                                                     洗衣机                                                   远程控制设备

                                                           电饭煲                                                    定时

电池                                                    电热水壶                                                 煮饭

                                                           遥控器                                                    洗衣服

陶瓷杯                                       导 体

石墨

铁勺                                          绝缘体

橡胶轮胎