The Green Line (Line 5) runs underground in a bored tunnel along King Abdulaziz Street, between King Abdul Aziz Historical Centre and the Riyadh Airbase, before connecting with King Abdullah Road. The length of the line is almost 13km and it features 11 stations, in addition to 2 transfer stations Excavation done by 2 x EPB TBM Herrenknecht, diameter 10 m
High performance liquid foaming agent, based on biodegradable anionic surfactants, in combination with a natural lubricating polymer, for ground conditioning in mechanized tunneling
High performance liquid foaming agent, based on biodegradable anionic…
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Riyad, Al-Riyad, Arabia Saudita, Saudi Arabia
