(废物)".We should put the old newspapers,the broken glass,the cans...into these blue bins.They are for the "recyclable"(可回收物品).We should put the used storage batteries(蓄电池),expired(过期的)medicine into these red bins.They are for the"hazardous(有害的)waste"...
Air emissions:Wood pencils emit 5 to 6 times more carbon monoxide than plastic pencils. Hazardous waste:Plastic pencils tend to generate more dangerous waste. It means they pose a high risk of containing or releasing harmful substances into the environment. 2. Current pencil recycling options and ...
Whirlpool founder Lou Upton bought the patent for a hand-washing machine from a failed business venture and in 1911, with his uncle Fred, patented a wringer washer driven by an electric motor. He and his family started the Upton Machine Co. to produce and sell the machines. The company mad...
In the book ‘Sum of All Fears,’ the terrorists put their device inside a news van. In the book ‘Executive Orders,’ the terrorists disguised their delivery systems as shaving cream and other aerosol products. In the book ‘Rainbow Six,’ the terrorists disguised their delivery system as a...
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