With the advent of a plastic film on the market, the situation has changed dramatically. Greenhouses from it are cheap and lightweight. But through the effects of wind and sun, polyethylene after a few months turned into rags. Modern polycarbonate combined all the advantages of film and glass. It is durable, durable, light and has an affordable cost. In addition, the thermal insulation properties of polycarbonate superior to the film and the glass.
But through the
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