Given a passage as input, answer with the category to which the passage belongs. There are 5 categories - Sports and Fitness, Home and Garden, Hobbies and Crafts, Food and Entertaining, Cars & Other Vehicles. The answer should be one of the categories based on words from the passage which closely belong to the category.
Q: Fill a non-metallic vessel (such as a paper cup, or a plastic bottle) with warm saltwater. Wrap the outside of the vessel with aluminum foil, or tin foil.Place a metal object (such as a knife, a nail, etc) in the saltwater.Charge it up, by applying the voltage from an ordinary household battery, to both terminals. Congratulations, you have a working capacitor, capable of holding an electric charge!
A:
Home and Garden