1. せんたくき   vacuum cleaner   ceiling fan   washing machine   freezer   Hint Half-n-half Clue   2. でんしれんじ   microwave   heater   refrigerator, fridge   freezer   Half-n-half Clue   3. だっすいき   dishwasher   heater   spin dryer   microwave   Half-n-half Clue   4. だんぼう   microwave   heater   air conditioner   refrigerator, fridge   Half-n-half Clue   5. しょっきあらいき   ceiling fan   dishwasher   microwave   washing machine   Half-n-half Clue   6. れいとうき   refrigerator, fridge   spin dryer   microwave   freezer   Half-n-half Clue   7. そうじき   fan   spin dryer   microwave   vacuum cleaner   Half-n-half Clue