Final answer:
Wood is usually represented in an elevation plan as a horizontal hatching pattern with evenly spaced lines. This symbol is used based on the appearance of annual growth rings in wood, which appear as parallel lines when viewed from certain angles. Different styles of hatching can represent different materials in architectural and engineering drawings.
Step-by-step explanation:
The symbol used to depict wood in an elevation plan is typically represented as A) a horizontal hatching pattern with evenly spaced lines. This is because horizontal lines are calming and stable, resembling the surface of wood. In a drawing or plan, hatching refers to the use of parallel lines to create areas of shade, with more closely spaced lines indicating darker areas or shadows, thereby providing a more three-dimensional appearance to the object being depicted. In the case of wood, these lines mirror the pattern of the 'annual rings' or growth patterns seen in a cross-section of a piece of wood.
Let's dissect this a bit further: in a cross-section of wood, you can see varying cell characteristics which create annual growth rings. This pattern, when viewed from the side (longitudinal radial section), appears as parallel horizontal lines, which is then captured in the elevation plan or drawing as a series of parallel hatching lines.
While there are different styles of hatching in various artistic contexts, for architectural and engineering drawings, the horizontal hatching pattern is the common symbol used to represent wood.
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