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Quantidades de concreto ou betão misturado de uma só vez numa betoneira.
Pequenos toros, troncos ou achas de lenha
Thin wood which coats the roof.In Turkish: Çatıyı örten ince tahta.
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Any frame capable of lifting a car vertically so a train may pass beneath it; used for passing cars.
prédio ou casa ainda sendo construído.
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New Austrian Tunneling Method. a tunnelling method.
Smoke composed by carbon particles in suspension, proceeding of diesel engines.
Blocks of wood or concrete installed between the lagging or steel sets or collar bracing and the rock surfaces of a tunnel to transfer stress to the support.
Concrete placing equipment incorporating a pressure vessel with sealing door or valve. Concrete is moved from the vessel to point of placement through the placing pipe by the introduction of compressed air into the vessel.