Roads, bridges and tunnels
Tunnels are dug in types of materials varying from soft clay to hard rock. The method of tunnel construction depends on such factors as the ground conditions, the ground water conditions, the length and diameter of the tunnel drive, the depth of the tunnel, the logistics
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Extensions of urban water networks
A water supply system delivers water from sources to customers, and provides services vital to the function of an industrialized society and important to emergency response Taken individually, or in aggregate with other lifeline systems (e.g., electric power, natural gas and liquid fuels, telecommunications, Extensions of
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Communication and electricity networks
Networking and communicationThe field of networking and communication includes the analysis, design, implementation, and use of local, wide-area, and mobile networks that link computers together. The emerging company in the field of emerging communications with the main sub-companies, assistance services in the field, and we are
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