"Tunneler" . . "Bodenunruhe." . . "Ammunition, explosives and pyrotechnics." . . "Sprengen." . . . . "Sprængning-af-byggegruber" . . "Tunnelbau." . . . . . . . . . . . . . . . . . . . "Trial and construction induced blasting vibration at the Penmaenbach Road tunnel"@en . . "Trial and construction induced blasting vibration at the Penmaenbach road tunnel" . . . "Civil engineering." . . "Acoustics and vibrations." . .