ペットは封鎖中の飼い主の幸福に重要な役割を果たします
南オーストラリア大学が発表した新しい研究は、ペットが今年果たした重要な役割を示し、動物の購入と養子縁組の世界的な急増を説明しました。
Air conditioning as a cheap heating alternative
Source: AGRARHEUTE (Glomex)
It should be clear to everyone what air conditioning systems are used for: To cool houses when it's hot outside. But very few people know that the principle can be reversed and the air conditioning system can simply be turned into a heater.
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