... in highways, railways, protecting hillside, hillside greening, well and alley fence, building and breeding, zoo fence, greening fence, hillside net cage, ... of the bridge, solid structures defense project, retaining wall, and port project, etc.Material DeliverySack Gabions are manufactured with all ... the life of the structure. Rocks shall range between 100 mm and 200 mm. The range in sizes may allow ...