Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to keep your laptop and screen in a good shape [title] Keep your notebook in an open area that has a good air circulation during the power on. [step] Store it in a well circulated area too. [title] Keep drinks and any liquids away from your notebook because short circuits by liquid destroy notebooks often.

Ending1: [title] Have your notebook's color coded inside with invaluable information only such as notes, personal info, etc. [title] Keep a timesheet and a to-do list. Ending2: [step] Also keep any food away from your notebook. Do not eat over because the crumbs go in the keyboard that cause the keys fail eventually. Ending3: [title] Use it to keep track of important events in your life. [step] Record them all, but note that these events may be kept a secret if you accidentally lose track of them. Ending4: [step] Avoid cold water too since cold water is detrimental to both sensitivity and the chance to lose of memory cubes. Also, keep access to a dry large unit like a wash area or an extension.

Answer format: ending1/ending2/ending3/ending4