Indicate whether each statement is true or false:
1.1 Written contract documentation helps to reduce uncertainty between the client and the contractor.
1.2 An oral agreement is always preferable to a written agreement because it prevents misunderstandings between the parties.
1.3 Fine aggregate, such as sand, and coarse aggregate, such as rock, are used in concrete mixtures.
1.4 Wood used outdoors does not require protection or maintenance because it is naturally resistant to decay.
1.5 Handrails can improve safety along staircases, ramps, and decks where people could fall.
1.6 Dry-stone walls are constructed by using mortar between every individual stone.
1.7 Clay bricks should always be kept completely dry before they are placed in mortar.
1.8 Decorative statues and other ornaments should be secured to a suitable base to reduce the risk of toppling.
1.9 Pots can only be used as containers for plants and cannot serve a purely decorative purpose.
1.10 All ponds should be located in deep shade because sunlight prevents aquatic plants from growing properly.
1.11 Pumps, pipes, electrical cables, and lighting should be considered during the planning stage of a water feature.
1.12 A centrifugal pump must be filled with water, or primed, before it can operate correctly.
1.13 A solenoid valve can receive an electrical signal from an irrigation controller to open according to the programmed schedule.
1.14 Newly laid grass sods should be watered thoroughly and kept damp until the area is handed over.
1.15 Shrubs may be used to form hedges, screen unsightly walls or views, and create windbreaks.
1.1 Written contract documentation helps to reduce uncertainty between the client and the contractor.
1.2 An oral agreement is always preferable to a written agreement because it prevents misunderstandings between the parties.
1.3 Fine aggregate, such as sand, and coarse aggregate, such as rock, are used in concrete mixtures.
1.4 Wood used outdoors does not require protection or maintenance because it is naturally resistant to decay.
1.5 Handrails can improve safety along staircases, ramps, and decks where people could fall.
1.6 Dry-stone walls are constructed by using mortar between every individual stone.
1.7 Clay bricks should always be kept completely dry before they are placed in mortar.
1.8 Decorative statues and other ornaments should be secured to a suitable base to reduce the risk of toppling.
1.9 Pots can only be used as containers for plants and cannot serve a purely decorative purpose.
1.10 All ponds should be located in deep shade because sunlight prevents aquatic plants from growing properly.
1.11 Pumps, pipes, electrical cables, and lighting should be considered during the planning stage of a water feature.
1.12 A centrifugal pump must be filled with water, or primed, before it can operate correctly.
1.13 A solenoid valve can receive an electrical signal from an irrigation controller to open according to the programmed schedule.
1.14 Newly laid grass sods should be watered thoroughly and kept damp until the area is handed over.
1.15 Shrubs may be used to form hedges, screen unsightly walls or views, and create windbreaks.