This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to replace a dream lite led bulb
Prepare.
Arrange your tools on a clean flat surface and have all your tools at hand. Make sure you have enough space to move around as well as keeping your soldering iron at a safe distance while not in use.

Select from: (1). An aluminum or glass cutting wheel is the best solution and easy to gather because it holds your bulbs upright and provides a neat work surface. Wooden cutting wheels work well as support when mining a gold chain. (2). Make sure you have the dream lite on hand, too! Remove the batteries. Remove all three batteries before moving forward. (3). Examine your oil label to determine the correct temperature for the lamp. Most lamps will be set as cold for heating, warm for visual retention, cold for observation, etc. (4). Hold the disc of the led light between your palm and your finger. Where the screw holes are is the bulb handle.
The answer is:
(2).