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But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi
From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a
[00:00.00]4 Were the staff nice at the hotel? [00:05.50]Oh yesthey really went out of their way [00:07.50]to make us feel at home. [00:10.55]5OK,we'll drive to the restaurant [00:15.07]Do you know the way? [00:16.71]I'm not sure I remember ityou'd be
Darwin was about to give his 1992 Buick Regal to his girlfriends son, Gilroy. But before doing that, Darwin had to make sure the car was safe. If anything was wrong with the car and it caused Gilroy to be injured, Darwin would in turn be injuredby Gi
By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica
Anirudh Sharma doesn't just want to pull harmful carbon from the air. He wants to offer a cheaper alternative to the exorbitant costs of ordinary printer ink. 阿尼鲁德夏尔马不仅想除掉空气中的有害炭物质,还希望创造一种更便