Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to improve the energy savings of your fridge or freezer [title] Avoid placing a fridge or freezer near heat sources. [step] The most common source of heat in a kitchen is the oven and the dishwasher, but some kitchens also have a water heater in place as well. Keep the fridge or freezer well away from these heat sources.

Ending1: [substeps] Consider storing fresh or refrigerated food under cool, drying water. [title] Consider why you are using a freezer to reduce energy savings. Ending2: Heating these appliances too much can cause fire in the oven to explode, hurting your cooking time. [title] Be aware of your oven's temperature. Ending3: [substeps] Refrain from using computers or televisions in a kitchen, as they must be turned off. Check the thermostat attached to your fridge. Ending4: If you situate a fridge next to an oven, for example, the fridge will over-compensate for the heating up. For the same reason, it is also important to avoid placing a fridge or freezer in direct, constant sunlight.

Answer format: ending1/ending2/ending3/ending4