Copyright Goodheart-Willcox Co., Inc. 424 14. A repeated decorative design or the recurring use of a specifi c element in a design is referred to as _____. A. structure B. pattern C. design D. pickets 15. Which of the following is determined by the amount of water that can pass through a hardscape material? A. Liability. B. Versatility. C. Permeability. D. Opportunity. 16. True or False? The most permeable hardscapes are constructed with poured concrete. A. True. B. False. 17. To ensure water will be directed in the desired direction, impermeable hardscapes must have at least a _____. A. .05% slope B. 1.0% slope C. 3.25% slope D. The surface should be completely fl at. 18. Which of the following materials would be most appropriately placed over a sub- drainage system? A. Compacted clay. B. Aggregate. C. Stamped concrete. D. All of the above. 19. Which of the following materials are used for hardscapes? A. Gravel, aggregates, and brick. B. Concrete and asphalt. C. Wood and composite lumber. D. All of the above. Match the materials to the descriptions in 20–28. A. aggregate B. asphalt C. brick paver D. composite lumber E. concrete F. concrete pavers G. gravel H. paving tile I. pressure-treated wood J. stone paver 20. Small pieces of loose rock that comes in different colors, sizes, and durability. 21. A collection of units used together. 22. A glazed decorated tile that can be used as fl ooring or wall covering. 23. Stone cut into square or rectangular shapes or used in its original shape. 24. Preformed and often colored units that are available in many shapes and sizes. 25. A hardscape, water-resistant material made with concrete or clay. 26. A hardscape material to which preservatives are applied to improve its weather resistance and make it more resistant to rot or insects. 27. A hardscape material made from wood fi ber and plastic. 28. A mixture of tar, sand, and gravel that creates a dark hardscape. 29. Which of the following is an advantage of using composite lumber instead of real wood? A. It does not need to be sanded or resealed. B. It resists molding and rotting. C. It does not splinter and it is an insect repellant. D. All of the above. 30. True or False? Face mixing is the application of water to the surface of wet concrete. A. True. B. False.