Step 1: Analyze the joining mechanisms.
- Joining methods must allow disassembly without damage.
Step 2: Examine each option.
- Option A: A sliding mechanism, suitable for disassembly. Correct.
- Option B: A rigid joint that cannot be easily disassembled. Incorrect.
- Option C: A snap-fit mechanism, suitable for disassembly. Correct.
- Option D: A threaded joint, suitable for disassembly. Correct.
Step 3: Conclude the answer.
- Option B is not appropriate for a disassemblable joint.