http://www.youtube.com/watch?v=lehWBq_rjLA http://www.youtube.com/watch?v=16vn2ZscpPQ http://www.youtube.com/watch?v=IaJxwH9lwcY http://www.youtube.com/watch?v=ZQ5c7mT-Zk8 http://www.youtube.com/watch?v=_3aNTAgrRns 安くて十分のパワー、電費…