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Photo Illustration to support the teaching of the ,, Photo Illustration to support the teaching of the topic on Tunnel Construction Prepared by Raymond Wong , Tunnel portal during the process of tunnel excavation can serve several purposes: to provide an entrance into the tunnel tube to facilitate the movement of tunneling equipments and materials; as an exit for the disposal of spoils; ,TUNNEL/MINING/CONSTRUCTION EQUIPMENT ,, TUNNEL/MINING/CONSTRUCTION EQUIPMENT FOR SALE 1 Tunnel/Mining Equipment: 2 ea Wagner ST5-Bs, Tamrock H107L Drill Jumbo, Atlas Copco H226 Boomer Drill Jumbo, Gardner .Tunnel Boring Machines, (SHIELD & TBM) Tunnel Boring Machines Slurry Shield Machine Earth Pressure Balanced Shield Machine Mixed Ground Shield Machine Full ,tunnel excavation equipment, Tunnel Construction Equipment, Wholesale Various High Quality Tunnel Construction Equipment Products from Global Tunnel Construction Equipment Suppliers and Tunnel .Tunnel Heavy Equipments || This is to introduce us as ,, Welcome to Tunnel Heavy Equipments ! This is to introduce us as Abu Dhabi based Heavy equipment rental establishment catering the needs of construction industri.
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