Dyson have just unveiled the PencilVac – a vacuum cleaner with a diameter of only 38mm, the slimmest ever made. That's just 0.04 inches wide, about the same as a watch face. Packed with innovations ...
Aron Govil, President of Ducon Environmental Systems Inc. FCC cyclone reliability and catalyst losses from reactor and regenerator cyclones are very important profitability factors for world ...
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