polycarbonate sheet roof design

In terms of greenhouse construction, there are all greenhouses constructed with solar panels, greenhouses with gables and solar panels, and greenhouses with gables and side walls using solar panels. In terms of greenhouse efficiency, there are production-oriented greenhouses. There are trade greenhouses based on flower trading centers, and greenhouses based on scientific research. Sun panels are a widely used building material and can also be used in shade sheds and canopies.
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Good work, What is doing in joint place?

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What material you r filling in between

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