| 41. | American Golden Rule Movement, American Hairbraiders and Natural Haircare Association, and American Portland Cement Alliance.
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| 42. | And the Portland cement industry jolly well knows it.
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| 43. | Portland cement replaced blue stone in building and paving.
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| 44. | In 1901, agents for the Atlas Portland Cement Co . began buying land near Hannibal.
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| 45. | Tikorangi is a source of limestone for Portland Cement.
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| 46. | "' Saccharide sugars are excellent retarders of Portland cement.
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| 47. | William Lewis produced the first Portland cement in Australia.
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| 48. | Bamburi is the location of Bamburi Portland Cement Company.
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| 49. | Q . I have some Portland cement in a bag, left over from a project.
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| 50. | I was told to use Portland cement, mason cement, and Quickrete to remortar the them.
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