单词：marginal cost breakeven
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A group in San Francisco is honoring former President G.W. Bush by proposing to name a new wastewater treatment plant after him. We hope that this will catch on nationwide, said activist Bill Maher. Every state should have a wastewater treatment plan
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Hangzhou-based Keer Group became the first Chinese textile maker to set up a subsidiary in the US 7-months ago. Its US branch, the Keer America Corporation, is located in Lancaster County, South Carolina. Its establishment has created a new series of
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Scientists Find Large Amounts of Precious Metals in Wastewater In recent months, stories about sewers getting clogged have made international headlines. For example, a so-called fatberg, a mass of grease and diapers, clogged London's sewers. A new st
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EXPLORATIONS - Exploring Textile Arts Through History and Around the World DOUG JOHNSON: Im Doug Johnson. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. At craft shows and corporate headquarters across the United States
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Wastewater Key to Sustaining Life The world population is growing rapidly and is expected to reach 9 billion by 2050. While efforts are underway to ensure theres enough food, one scientist is warning there may not be enough water. Professor Stanley G
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