hard hat diverの例文

例文

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1. A hard hat diver was lowered to the scene.
2. He holds a British Yachtmaster's licence and is a qualified compressed air, oxygen, hard hat diver.
3. Trained by Fleuss, he was able to close a submerged sluice door in the tunnel which had defeated the best efforts of hard hat divers due to the danger of their air supply hoses becoming fouled on submerged debris, and the strong water currents in the workings.
4. For this new way of underwater diving, the Italian frogmen trained in La Spezia, Liguria, using the newly available hard hat divers which had been in general use since the 18th century, to self-contained divers, free of being tethered by an air line and rope connection.
5. His apparatus was first used under operational conditions in 1880 by the lead diver on the Severn Tunnel construction project, who was able to travel in the darkness to close several submerged sluice doors in the tunnel; this had defeated the best efforts of hard hat divers due to the danger of their air supply hoses becoming fouled on submerged debris, and the strong water currents in the workings.