Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to prepare for a mathematical test on constructions [title] Always use new geometrical instruments. [step] It is very important to use only new instruments. It can be three to four years old, but not older than that.

Ending1: [title] If you already have the equipment that you will need (e.g. [step] A mallet, ruler, etc. Ending2: The tradition for longterm tests should not leave you feeling nostalgia for the first time, but your childlike admiration of the new equipment and instruments will be inspiring. [title] Always save new instruments for test preparations. Ending3: Often, old instruments don't give accurate results, so it's better to buy a new one for yourself instead of using the one your mother or uncle used. [title] Before buying a geometry box, check if it contains all the geometrical instruments you need. Ending4: Once you have adequate instruments and new set of ones you are ready to start the math process. [substeps] Do not tire yourselves out just yet, as it takes time to actually study anyway.

Answer format: ending1/ending2/ending3/ending4