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Results for "harmful"
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Breakthrough Hongdoushan Tunnel of toxic dangereous gases tunnelling problem
...y breakthrough. Very special difficult tunnelling conditions toxic and harmful gases. During Dalin Railwa...Hongdoushan Tunnel is 10,616 meter excavation 8 kinds of poisonous and harmful gases came. Overcoming pro...- ...To solve the ventilation tunnel pressure in the main hole with a certain slope tunnel junction produces high concentration of dust particles and harmful gas is difficult to get rid o...
- ...To solve the ventilation tunnel pressure in the main hole with a certain slope tunnel junction produces high concentration of dust particles and harmful gas is difficult to get rid o...
...lists. Both truck road and bicycle track is planned in the same tube with a clear separation. It is not clear how cyclists will be protected from harmful exhaust gases of trucks. ...
Webuild TBM begins excavating tunnel for Seattle's Ship Canal Water Quality Project
..., while protecting others from extreme weather. Among Lane’s other projects, there is a Caloosahatchee basin storage reservoir to reduce harmful discharges into an estuary in...- ...stormwater and sewage during heavy rains. Among Lane’s other projects, there is a Caloosahatchee basin storage reservoir to reduce harmful discharges into an estuary in...
EPA approves controversial dumping plan for West Gate Tunnel Project's contaminated soil
...d in the excavated soil. These chemicals are suspected of causing cancer in human beings. Residents and environmental groups are worried that the harmful chemicals in the dumped soil...UAE: RTA upgrades tunnel lighting through 14,400 eco-friendly LED units
...ting intensity of 6000 lumens compared to 4000 lumens for older lamps, improving the lighting quality. These units do not include environmentally harmful chemicals, like mercury found...UAE: RTA upgrades tunnel lighting through 14,400 eco-friendly LED units 13 Jun, 2023
...ting intensity of 6000 lumens compared to 4000 lumens for older lamps, improving the lighting quality. These units do not include environmentally harmful chemicals, like mercury found...- ...gy produced by renewable sources. Webuild’s current projects provide clean energy to millions of people throughout the world while avoiding harmful emissions by about 14.5 milli...
cover tunnel photo by: Matt Brown from London, England / CC BY
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