The craft is able to survive some hits, and even some collisions with the terrain, including tunnels.
The river was mined with many methods including hydraulics, tunnels, and shafts.
Complex ground conditions and the need to avoid several key existing structures including other tunnels and a river basin increased costs.
This game takes the player through several sections of the facility, including a warehouse and underground tunnels.
The project involves major renovations at stations, including tunnels in cities to minimize noise from the trains.
Several stretches of line, including tunnels, were built through unsuitable geology, and had to be replaced even before the line opened.
It deals with road and railway transport network including bridges and tunnels.
The "Big Dig" is actually several different projects in one, including a brand-new bridge and several tunnels.
The building products directive lays down essential requirements for all types of construction, including tunnels.
The vacuum trains are mostly used on underground sections of the system, including underwater tunnels.