Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 11, 2025
Close to the tunnel-head we alighted, and went on into the dream on foot, the gallery contracting to a few feet in height, where a group of black figures bent over rock-drills which creaked and groaned. I saw the drill-holes filled with dynamite, and retired with the others while the fuse was lighted. I heard from afar off the thunderous detonations as the rock-face was shattered.
In ordinary land tunneling since 1862 there has been great progress, by the substitution of dynamite and preparations of a similar nature for gunpowder, and by the improvements in the rock-drills worked by compressed air, which are used in making the holes into which the explosive is charged.
Word Of The Day
Others Looking