After the strut type shutter is removed from the straw blind, its support rod and head and roll rod are usually placed in front of the shed for a long period of time. Therefore, during the use of the brace type blind, the pole contacts the ground. The location is usually not fixed, it should be adjusted in time with the position of the grass curtain, so as to avoid causing the hinge to wear excessively and cause breakage. After a long period of time after the straw is removed, the support rod is in an inactive state, so the bottom of the mast must be fixed, buried in a pit, or be pressed with stones. At the same time, two ropes are installed on both sides of the pole or strut, and they are pulled and fixed in the opposite direction. This is to prevent the strong wind from blowing down the strut.

Since most farmers do not dismantle the shutter head, I propose to seal the shutter head with a tarpaulin to prevent rain from entering the head.

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