Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to apply thermal paste [title] Choose the proper thermal paste. [step] Most of the basic thermal grease compounds contain silicone and zinc oxide, while more expensive compounds contain excellent heat conductors such as silver or ceramic. The advantage to the silver or ceramic thermal grease is that you will have a more efficient heat transmission.

Ending1: [title] Place the silicone gloves onto your hands. [step] Holding the gloves against your palms, pour melted metal-including silicone-into a bowl or cup to apply the thermal paste. Ending2: However, the downside is that it can be corrosive, resulting in a burn. [title] Lay a nonflammable piece of paper on a heat proof surface. Ending3: However, the basic thermal grease will sufficiently fit the needs of most people. [substeps] If you are planning on overclocking your computer, try to get thermal paste comprised mainly of silver, copper, and gold. Ending4: [title] Peel off the plastic wrapper or help with removal. [step] This might help you to avoid contaminating the surface with the new thermal paste.

Answer format: ending1/ending2/ending3/ending4