(This performance expectation integrates traditional science content with engineering through a practice ... of structures designed to block the sun to make shade. Students design and build a small ...

A double manual shade that retracts from either side was added in a Sunbrella Slate fabric. Its two-post design makes it a ... hindered by a heavy four-post structure. The homeowners, along ...

ShadeFX's innovative dual post retractable shade system was the ideal solution ... The Freestanding Retractable Canopy was designed and engineered in response to consumer demand.