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> environmentally bad

How about replacing appliances with new ones? Washers can now do both - wash and dry AND it has heat pump. Induction cooktop are way more efficient. Instant hot water taps translates to smaller hot water cylinders. Japanese style fridges spoil less food.

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By Japanese style fridge, do you mean a fridge with the freezer on the bottom? How does a Japanese style fridge reduce spoilage?

It's probably a stretch on big picture but some have vacuum compartment for fresh meat and fish and humid compartment for vegetables.

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