Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to remove a door handle [title] Remove the implements holding the doorknob together. [step] There are lots of different types of doorknobs as well as many different manufacturers. Depending on those factors, as well as the age of the knob, there are many different ways to release the mechanism.

Ending1: [substeps] Dull and rusty and surprisingly easy to loosen are great options, and they may be able to be easily dealt with by a professional, but can be damaged by the gentle use of a key or screwdriver. [title] Heat the door knob to room temperature. Ending2: Placing your hands under the handle by holding it or by setting it on a flat surface and gently tugging the handle to loosen the mechanism. [substeps] Most doorknobs come with two locking devices that are used to lock individual knobs. Ending3: If you are removing a knob for use in the home, there are usually a number of different methods you can use. [title] Try removing the knob with a phillips head screwdriver. Ending4: Here are the various methods, organized by which you should try first : [substeps] Screw method: remove any visible screws. The screws around the latch plate between the two sides of the door are standard.

Answer format: ending1/ending2/ending3/ending4