| 21. | The bait typically includes a binding agent such as clay or Portland cement.
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| 22. | The plant manufactures 1, 700 tons of Portland Cement per day.
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| 23. | Portland cement is best left for a year or two before being painted.
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| 24. | Granadero Baigorria is also home to the first Portland cement factory in Argentina.
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| 25. | A 1 / 8-inch coat of polymer and Portland cement is laid down.
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| 26. | Mason City is also a major production center for Portland Cement.
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| 27. | The Association of German Cement Manufacturers issued a standard on Portland cement in 1878.
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| 28. | Portland cement is caustic, so it can cause chemical burns.
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| 29. | The first Portland Cement plant was located between the villages of Cementon and Coplay.
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| 30. | In Oregon pine from the United States, and Portland cement.
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