| 31. | It was also a source of building material in earlier times.
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| 32. | Besides lime stone also mud bricks were used as building material.
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| 33. | The waterways currently transport 1 million tons of building materials yearly.
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| 34. | Sales of items like building materials and sporting goods dropped, however.
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| 35. | It also outlawed harvesting coral, used for jewelry and building material.
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| 36. | Further delays occurred due to wartime difficulties in procuring building materials.
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| 37. | No building material is too obscure, no plumbing detail below notice.
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| 38. | Rotary hammers have much less vibration and penetrate most building materials.
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| 39. | Asbestos was once a common building material, widely used for insulation.
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| 40. | Bauxite is used in making aluminum and building materials in Ukraine.
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