| http://www.w3.org/ns/prov#value | - To design energy-efficient systems, engineers need to find ways to optimize conveying line routing, line capacities, line sizes and blower horsepower, noted Brian Ivkovich, senior vice-president, Zeppelin Systems USA, Odessa, FL. Compressed air can be minimized through pressure regulators or other alternative equipment such as using low-voltage electric vibrators instead of compressed air-driven i
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