Final answer:
The percentage that can be missing from the door blade seal is 34%.
Step-by-step explanation:
The percentage that can be missing from the door blade seal can be calculated by subtracting the total market shares from 100%. In this case, we have:
- 10% + 8% = 18%
- 42% + 24% = 66%
Therefore, the missing percentage from the door blade seal is 100% - 66% = 34%.