Sentence Correction (SC) | Re: Consumers may not think of household cleaning products to be hazardous

To confirm—It's absolutely impossible for these usages of "as" to compete with each other.

If you're not sure which type of "as" to use, just figure out whether the sentence is about...
... ONE thing/person/set of things/group of people + some function or perception thereof,
or
... TWO DIFFERENT things/people/sets of things/groups of people (put into a comparison).

This
...

---