Operation of tunnels and underground structures for others; Business management of tunnels and underground structures for others; Providing of underground tunnels as a service, namely operation of underground tunnels for others; Business management of tunnels for transportation; Business management of tunnels for energy storage; Leasing of tunnels; Business management of utility tunnels; Business management of tunnels for power lines, fiber, and pipelines; Business management of tunnels for w...

Full spectrum analysis system consisting of electrical sensors for analyzing extracted minerals and elements

Full spectrum analysis system consisting of electrical sensors for analyzing extracted minerals and elements

Building Construction and Repair