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Roman, Harry T. – Technology Teacher, 2010
Greenhouses are marvelous devices, allowing one to enjoy the flower spectacle of summer all year round. At night, greenhouses use supplemental heat to keep the fragile plants warm. Over the last 30 years, greenhouse technology has undergone many changes, with the structures being automated and monitored and low-cost plastic structures emerging as…
Descriptors: Structural Elements (Construction), Horticulture, Environmental Education, Engineering Technology