(3) Electrical energy is converted into thermal energy when you use objects such as heating pads, electrical stove elements, toasters, hair dryers, or light bulbs. A thermal infrared image of a hair dryer and a flourescent light bulb. (4) Chemical energy from the foods we eat is converted into heating our bodies.
A deed poll is a legal contract involving only one party. Changes of name by deed poll were (and are) made before a solicitor who issues the document to the person changing their name. The solicitor may keep a copy on file, but it is unlikely to be a certified copy, and the file is unlikely to be kept for more than five years.
The most important thing to do to legally change your name is to start using your new name. Introduce yourself using your new name, fill out forms and applications under your new name, tell all of your family and friends to only refer to you using your new name, and tell your school and/or employer of your new name.