... safe,2 hign-strength, 3dust-proof dust-proof net is1. Superficial treatment: immersed in the polymer plastic ... : for the protection of the road, railway, and airport. Residence community, dock, gardens and so on 1. Superficial treatment: immersed in the ... fluid 2. Uses: for the protection of the road, railway, and airport. Residence community, dock, gardens and so on dust-proof net