What is the literary device for. They tore holes in the door

This device blocks an opening along the base/floor of stairs or other walking or working surfaces where materials or body parts might otherwise inadvertently fall through. it should be 4 inches high, with not more than ¼ inch clearance above the floor

What is the most likely reason schlosser uses a direct quotation in this excerpt from fast food nation?

What inference can be made based on the daughters actions in this passage