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Agricultural plastic film is one of the main covering materials of plastic solar greenhouses. In order to ensure its light transmittance, heat preservation and drip resistance, attention should be paid to the following points when installing and using. 1. The plastic film must be stored in a shaded, dry place before installation and use. It must not be exposed to the sun and rain. 2. The iron and metal wires in the greenhouse components should be plated and no contaminated and rusted components should be used. At the same time, the use of exposed metal wires and sharp corners should be avoided to prevent tearing of the agricultural film. 3. During the installation, the agricultural film shall be tensioned and leveled, and the agricultural film must not be installed in reverse. Otherwise, the use effect will be affected and the service life will be reduced. 4, pay attention to the installation temperature can not be too high. When the temperature is too high during installation, the film expands due to heat. When the temperature decreases, the film shrinks and the film breaks. After the rupture of the plastic film, it is necessary to repair it with a special tape so as not to affect the function of the plastic film. 5. Before opening the film roll, the ground condition of the work should be checked to prevent the plastic film from being punctured and scratched by the object.