why not invemt a spider that can cut throught stuff and provide oxygen if there is not enough oxygen in a aircraft?

Question: why not invemt a spider that can cut throught stuff and provide oxygen if there is not enough oxygen in a aircraft?
- Keywords:
  aircraft,
  invention,
  oxygen,
  spider
Asked by jessicaspiderrcool to Sarah on 22 Jun 2015.
- Sarah Beasley answered on 22 Jun 2015:
  
  Well now I’m intrigued! How could we get a spider to cut through stuff?

Question: why not invemt a spider that can cut throught stuff and provide oxygen if there is not enough oxygen in a aircraft?