this design is used in the construction project on the safety cover.;the idea is to prevent the net bracket, a safety railing, balcony and other safety facilities in the university. it will cover the use of safety facilities in a construction project, the safety facilities in the edge of the sheet is set along the strip will cover the needle and through the welt is probably the work of the hook plate is a hook plate and the needle, and the other is the life of the annular liner is the liner in the needle and the hook plate to the guide. the characteristics of the target.;therefore, the design of the civil engineering building structure is in the process of construction can be a large number of vertical protective net and two dead and other waste material in use, the safety facilities to the appearance, the beauty of nature, the work environment is able to achieve. on the day, and waste material recycling, according to the cost, and reduce environmental pollution, in order to reduce it.
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