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spec: Certain plant diseases which are soil borne can be controlled with some success through a process of solar heating . The dominant perturbation in the first case is the tidal component of solar gravity . Ethnic identities and even vibrant ethnic organizations can coexist with a wide range of other , potentially cross-cutting identities and organizations . They were questioned . For the past two decades researchers have tried to break the “ 40 percent efficient ” barrier on solar cell devices . Committee to provide recommendations for the development of accessibility guidelines for swimming pools , other recreational facilities , and outdoor developed areas . At the same research facility Harada is studying the artificial culture of many other species of fish including the Japanese parrotfish , Oplegnathus fasciatus , and the spotted parrotfish , O. punctatus , and the flatfish , Paralichthys olivaceus . The company , which now promotes itself as " Beyond Petroleum , " anticipates doing $ 1 billion a year in solar commerce by the end of the decade . Bolstered by new talks last week , a consensus has emerged in Washington that the most effective way to defuse one of its most challenging foreign policy crises is to reemphasize the Clinton approach of possible rewards in return for North Korean cooperation , the officials said . In this article , he reviews the responses of music educators to a survey asking how their labs were established and financed , what software and hardware they used in the labs , how their labs were set up and maintained , what was their enrollment , and what were their plans for the future . Designed to simulate launch vehicle events such as movement from wind , orbiter ignition and liftoff , effects of solar heating and cryogenic shrinkage . Government to say that the [ tug ] boat sprang a leak as soon as it left the shore . On the other hand , declined are dressers , drawing room suites , sideboards , and other general furniture , as well as solar water heaters , motorcycles and scooters . Development continues on solar cell design and car power supply requirements such as heater or air-conditioning fans .