Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to set a barometer [title] Buy a barometer. [step] There are 3 types of barometers that can be purchased. If you own an antique barometer, then is most likely mercury or aneroid.

Ending1: Aneroid or electronic barometers are more commonly available for purchase. Before purchasing a barometer, check its altitude usage. Ending2: If you own an antique barometer, then is most likely mercury or aneroid. [title] Purchase a barometer that fits your hobby. Ending3: Barometers are expensive, so be sure that you are buying a barometer that is in good condition. If you purchase a barometer that you have not had specialized treatment of, you can damage the barometer. Ending4: Aneroid barometers do not appear to be capable of measuring anything permanently, so you should beware, when purchasing a barometer you will not rely on zebras, and are likely " accurate ". Zebras are made up of nite spikes that are attached to the barometer.

Answer format: ending1/ending2/ending3/ending4