| Label | Vocabulary | Concept | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 1. | Customizing | LC Subject Headings (LCSH) |
General Subdivision | sh99005475 | |
| 2. | Instruction and study | LC Subject Headings (LCSH) |
General Subdivision | sh99014466 | |
| Practicing ; Practicing | |||||
| 3. | Construction | LC Subject Headings (LCSH) |
General Subdivision | sh99005337 | |
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