"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."
|Application No.||Application Title||Issue Date|
|20110250021||METHOD AND ARRANGEMENT FOR DETECTION AND DESTRUCTION OF TUNNELS|
A method and arrangement for destroying tunnels. A subterraneous, vertical shaft is excavated until a tunnel preventing depth. After liquid is introduced to the shaft, a shaft liner is penetrable by the introduced liquid when a tunnel is present in the vicinity of said ...