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börja lära sig
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mixing concrete accurately börja lära sig
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concrete which is preconditioned to improve its tensile strenght; before concrete is poured, tension is applied to the reinforcing bars börja lära sig
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effective structural capability of concrete börja lära sig
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different types of chemical put on concrete börja lära sig
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makes drier concrete easier to work with börja lära sig
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concrete elements which are cast at factory and transported to a site for installation börja lära sig
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concrete can be poured; it can be also... börja lära sig
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a steel bar that is placed in concrete to increase its tensile strenght. It is normally manufactured from carbon steel börja lära sig
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a very large rock or piece of stone börja lära sig
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a place where stone is dug out of the ground börja lära sig
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small pieces of stone used for making paths and roads börja lära sig
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limestone which is mined at a quarry, crushed and temporarily stored in blending beds (in the production of cement) börja lära sig
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a type of oven used for baking clay, bricks, etc. to make them hard börja lära sig
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cement clinker is a solid material produced in the manufacture of Portland cement as an intermediary product börja lära sig
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w type of white of grey stone containing calcium, used for building, and making cement börja lära sig
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a white chemical element that is an important part of bones and teeth and is found in some types of rock börja lära sig
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a hard heavy metal that is a common element. It is used for making steel and is also used in many types of machine and building structures börja lära sig
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a soft white substance used for making plaster börja lära sig
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a light silver-coloured metal that is used for making things such as pans for cooking börja lära sig
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describes metal or rock that is in liquid state because of great heat börja lära sig
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a type of very hard rock that has a pattern of lines going through it, feels cold, and can be polished to become smooth and shiny börja lära sig
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a container that is heated to a very high temperature, so that substances that are put inside it, such as metal, will melt or burn börja lära sig
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having the shape of a hollow tube börja lära sig
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börja lära sig
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a part that combines with other parts to form something bigger börja lära sig
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to break something into very small pieces or powder, by using a machine or by crushing it between two hard surfaces börja lära sig
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to make something stick together in solid mass börja lära sig
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to join with another substance to form a mixture börja lära sig
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send or small stones used for making concrete börja lära sig
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a chemical reaction in which the major compounds in cement form chemical bonds with water molecules and become hydrates or hydration products börja lära sig
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powder that enables concrete to set börja lära sig
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concrete which contains steel bars to improve its tensile strenght börja lära sig
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moulds of the required size and shape, made from steel or timber, which are used to contain the concrete until it has set börja lära sig
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börja lära sig
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allows concrete to stay wet for longer börja lära sig
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concrete that is poured on-site in its final position börja lära sig
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affects the wetness and strenght of concrete börja lära sig
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specification of concrete ingredients börja lära sig
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concrete in which the tension is applied to the reinforcing bars after the concrete has set börja lära sig
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provide a cure for, make healthy börja lära sig
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börja lära sig
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to inject; to fill something or someone with börja lära sig
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pass gradually or leak through small openings börja lära sig
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börja lära sig
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börja lära sig
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the pressure that is put on something when a physical force stretches, pushes, or pulls something börja lära sig
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to make something happen; the reason why something happens börja lära sig
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to go into or through something börja lära sig
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an increase in the density of something börja lära sig
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the simplest and smallest forms of life; they exist in large numbers in air, water and soil, and also in living and dead creatures and plants, and are often a cause disease börja lära sig
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börja lära sig
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the fact of something happening or existingth börja lära sig
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the act of making something stronger börja lära sig
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a small hard hall of any substance, often of soft material that has become hard börja lära sig
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chemical substance that an organism needs to sustain life börja lära sig
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a line on the surface of sth along which it has split without breaking into separate parts börja lära sig
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