Securing the Rosh Haayin tunnel portal
![Securing the Rosh Haayin tunnel portal](/img/thumbnail/{args}/208/31/c16a5320fa475530d9583c34fd356ef5.jpg)
Surface cleaning of the rock mass and static securing of part of tunnel portals using steel anchors and high-strength steel meshes.
Surface cleaning of the rock mass and static securing of part of tunnel portals using steel anchors and high-strength steel meshes.