1. 脱水機   vacuum cleaner   spin dryer   washing machine   refrigerator, fridge   Hint Half-n-half Clue   2. 冷房   air conditioner   fan   washing machine   spin dryer   Half-n-half Clue   3. 扇子，扇   refrigerator, fridge   fan   ceiling fan   washing machine   Half-n-half Clue   4. 掃除機   refrigerator, fridge   vacuum cleaner   fan   washing machine   Half-n-half Clue   5. 洗濯機   fan   washing machine   dishwasher   refrigerator, fridge   Half-n-half Clue   6. 扇風機   fan   spin dryer   vacuum cleaner   ceiling fan   Half-n-half Clue   7. 食器洗い機   fan   heater   microwave   dishwasher   Half-n-half Clue