Invective is basically a word that means a curse or a cursing. A good example is " A Modest Proposal" written by Swift. It is actually a satirical writing that recommends the Irish babies to be of high nutritional value and should be consumed as a healthy food. I hope the answer comes to your help.
Answer and Explanation:
If we have a scaffold under construction, we will have an environment with some risks that must be combated, through guidelines that protect not only workers, but also people who are possibly passing through the site.
The construction of the scaffold leaves the environment dangerous because it can present risks of slips and debris falls, electrocution risk, risks of poorly prepared structure, among others.
The title of the story includes the word fall which foreshadows the ending of the Usher family line. The decreped state of the house described in the begining foreshadows the dissolution of the Usher family.